256914531

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{413711}}^1$

素因数の和:413743

約数の個数: 16

約数和(自身を含む): 397163520

約数和(自身を除く): 140248989

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 413711, 1241133, 3723399, 9515353, 11170197, 28546059, 85638177, 256914531]

約数ペア:

[(1, 256914531), (3, 85638177), (9, 28546059), (23, 11170197), (27, 9515353), (69, 3723399), (207, 1241133), (621, 413711)]