1388795877

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:224

約数の個数: 108

約数和(自身を含む): 2516480460

約数和(自身を除く): 1127684583

約数列:

[1, 3, 7, 9, 21, 29, 31, 49, 63, 87, 93, 113, 147, 203, 217, 261, 279, 339, 441, 609, 651, 791, 899, 961, 1017, 1421, 1519, 1827, 1953, 2373, 2697, 2883, 3277, 3503, 4263, 4557, 5537, 6293, 6727, 7119, 8091, 8649, 9831, 10509, 12789, 13671, 16611, 18879, 20181, 22939, 24521, 27869, 29493, 31527, 44051, 47089, 49833, 56637, 60543, 68817, 73563, 83607, 101587, 108593, 132153, 141267, 160573, 171647, 195083, 206451, 220689, 250821, 304761, 325779, 396459, 423801, 481719, 514941, 585249, 711109, 760151, 914283, 977337, 1365581, 1445157, 1544823, 1755747, 2133327, 2280453, 3149197, 4096743, 4977763, 5321057, 6399981, 6841359, 9447591, 12290229, 14933289, 15963171, 22044379, 28342773, 44799867, 47889513, 66133137, 154310653, 198399411, 462931959, 1388795877]

約数ペア:

[(1, 1388795877), (3, 462931959), (7, 198399411), (9, 154310653), (21, 66133137), (29, 47889513), (31, 44799867), (49, 28342773), (63, 22044379), (87, 15963171), (93, 14933289), (113, 12290229), (147, 9447591), (203, 6841359), (217, 6399981), (261, 5321057), (279, 4977763), (339, 4096743), (441, 3149197), (609, 2280453), (651, 2133327), (791, 1755747), (899, 1544823), (961, 1445157), (1017, 1365581), (1421, 977337), (1519, 914283), (1827, 760151), (1953, 711109), (2373, 585249), (2697, 514941), (2883, 481719), (3277, 423801), (3503, 396459), (4263, 325779), (4557, 304761), (5537, 250821), (6293, 220689), (6727, 206451), (7119, 195083), (8091, 171647), (8649, 160573), (9831, 141267), (10509, 132153), (12789, 108593), (13671, 101587), (16611, 83607), (18879, 73563), (20181, 68817), (22939, 60543), (24521, 56637), (27869, 49833), (29493, 47089), (31527, 44051)]