820512856779

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1\times {\mathrm{2711}}^1$

素因数の和:3297

約数の個数: 128

約数和(自身を含む): 1419447435264

約数和(自身を除く): 598934578485

約数列:

[1, 3, 7, 11, 21, 33, 47, 61, 77, 141, 183, 231, 329, 427, 457, 517, 671, 987, 1281, 1371, 1551, 2013, 2711, 2867, 3199, 3619, 4697, 5027, 8133, 8601, 9597, 10857, 14091, 15081, 18977, 20069, 21479, 27877, 29821, 31537, 35189, 56931, 60207, 64437, 83631, 89463, 94611, 105567, 127417, 150353, 165371, 195139, 208747, 220759, 236269, 306647, 382251, 451059, 496113, 585417, 626241, 662277, 708807, 891919, 919941, 1157597, 1238927, 1310219, 1401587, 1653883, 1819081, 2146529, 2675757, 3472791, 3716781, 3930657, 4204761, 4961649, 5457243, 6439587, 7772437, 8672489, 9171533, 9811109, 12733567, 13628197, 14412409, 23317311, 26017467, 27514599, 29433327, 38200701, 40884591, 43237227, 54407059, 58229569, 75574547, 85496807, 95397379, 100886863, 163221177, 174688707, 226723641, 256490421, 286192137, 302660589, 407606983, 529021829, 598477649, 640525259, 831320017, 1222820949, 1587065487, 1795432947, 1921575777, 2493960051, 3552003709, 4483676813, 5819240119, 10656011127, 13451030439, 17457720357, 24864025963, 39072040799, 74592077889, 117216122397, 273504285593, 820512856779]

約数ペア:

[(1, 820512856779), (3, 273504285593), (7, 117216122397), (11, 74592077889), (21, 39072040799), (33, 24864025963), (47, 17457720357), (61, 13451030439), (77, 10656011127), (141, 5819240119), (183, 4483676813), (231, 3552003709), (329, 2493960051), (427, 1921575777), (457, 1795432947), (517, 1587065487), (671, 1222820949), (987, 831320017), (1281, 640525259), (1371, 598477649), (1551, 529021829), (2013, 407606983), (2711, 302660589), (2867, 286192137), (3199, 256490421), (3619, 226723641), (4697, 174688707), (5027, 163221177), (8133, 100886863), (8601, 95397379), (9597, 85496807), (10857, 75574547), (14091, 58229569), (15081, 54407059), (18977, 43237227), (20069, 40884591), (21479, 38200701), (27877, 29433327), (29821, 27514599), (31537, 26017467), (35189, 23317311), (56931, 14412409), (60207, 13628197), (64437, 12733567), (83631, 9811109), (89463, 9171533), (94611, 8672489), (105567, 7772437), (127417, 6439587), (150353, 5457243), (165371, 4961649), (195139, 4204761), (208747, 3930657), (220759, 3716781), (236269, 3472791), (306647, 2675757), (382251, 2146529), (451059, 1819081), (496113, 1653883), (585417, 1401587), (626241, 1310219), (662277, 1238927), (708807, 1157597), (891919, 919941)]