12894921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{359}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 20180160

約数和(自身を除く): 7285239

約数列:

[1, 3, 9, 13, 39, 117, 307, 359, 921, 1077, 2763, 3231, 3991, 4667, 11973, 14001, 35919, 42003, 110213, 330639, 991917, 1432769, 4298307, 12894921]

約数ペア:

[(1, 12894921), (3, 4298307), (9, 1432769), (13, 991917), (39, 330639), (117, 110213), (307, 42003), (359, 35919), (921, 14001), (1077, 11973), (2763, 4667), (3231, 3991)]