74872161

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1043

約数の個数: 64

約数和(自身を含む): 141066240

約数和(自身を除く): 66194079

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 63, 91, 93, 117, 189, 217, 273, 279, 351, 403, 651, 819, 837, 983, 1209, 1953, 2457, 2821, 2949, 3627, 5859, 6881, 8463, 8847, 10881, 12779, 20643, 25389, 26541, 30473, 38337, 61929, 76167, 89453, 91419, 115011, 185787, 213311, 268359, 274257, 345033, 396149, 639933, 805077, 822771, 1188447, 1919799, 2415231, 2773043, 3565341, 5759397, 8319129, 10696023, 24957387, 74872161]

約数ペア:

[(1, 74872161), (3, 24957387), (7, 10696023), (9, 8319129), (13, 5759397), (21, 3565341), (27, 2773043), (31, 2415231), (39, 1919799), (63, 1188447), (91, 822771), (93, 805077), (117, 639933), (189, 396149), (217, 345033), (273, 274257), (279, 268359), (351, 213311), (403, 185787), (651, 115011), (819, 91419), (837, 89453), (983, 76167), (1209, 61929), (1953, 38337), (2457, 30473), (2821, 26541), (2949, 25389), (3627, 20643), (5859, 12779), (6881, 10881), (8463, 8847)]