12665991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4111}}^1$

素因数の和:4206

約数の個数: 16

約数和(自身を含む): 18421760

約数和(自身を除く): 5755769

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 4111, 12333, 53443, 160329, 324769, 974307, 4221997, 12665991]

約数ペア:

[(1, 12665991), (3, 4221997), (13, 974307), (39, 324769), (79, 160329), (237, 53443), (1027, 12333), (3081, 4111)]