31690659

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 57996288

約数和(自身を除く): 26305629

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 61, 77, 91, 143, 173, 183, 231, 273, 427, 429, 519, 671, 793, 1001, 1211, 1281, 1903, 2013, 2249, 2379, 3003, 3633, 4697, 5551, 5709, 6747, 8723, 10553, 13321, 14091, 15743, 16653, 24739, 26169, 31659, 39963, 47229, 61061, 73871, 74217, 116083, 137189, 173173, 183183, 221613, 348249, 411567, 519519, 812581, 960323, 1509079, 2437743, 2880969, 4527237, 10563553, 31690659]

約数ペア:

[(1, 31690659), (3, 10563553), (7, 4527237), (11, 2880969), (13, 2437743), (21, 1509079), (33, 960323), (39, 812581), (61, 519519), (77, 411567), (91, 348249), (143, 221613), (173, 183183), (183, 173173), (231, 137189), (273, 116083), (427, 74217), (429, 73871), (519, 61061), (671, 47229), (793, 39963), (1001, 31659), (1211, 26169), (1281, 24739), (1903, 16653), (2013, 15743), (2249, 14091), (2379, 13321), (3003, 10553), (3633, 8723), (4697, 6747), (5551, 5709)]