13263381

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 19977984

約数和(自身を除く): 6714603

約数列:

[1, 3, 9, 31, 93, 137, 279, 347, 411, 1041, 1233, 3123, 4247, 10757, 12741, 32271, 38223, 47539, 96813, 142617, 427851, 1473709, 4421127, 13263381]

約数ペア:

[(1, 13263381), (3, 4421127), (9, 1473709), (31, 427851), (93, 142617), (137, 96813), (279, 47539), (347, 38223), (411, 32271), (1041, 12741), (1233, 10757), (3123, 4247)]