2157786

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 4953600

約数和(自身を除く): 2795814

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1289, 1674, 2578, 3867, 7734, 11601, 23202, 34803, 39959, 69606, 79918, 119877, 239754, 359631, 719262, 1078893, 2157786]

約数ペア:

[(1, 2157786), (2, 1078893), (3, 719262), (6, 359631), (9, 239754), (18, 119877), (27, 79918), (31, 69606), (54, 39959), (62, 34803), (93, 23202), (186, 11601), (279, 7734), (558, 3867), (837, 2578), (1289, 1674)]