2581401

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 3644928

約数和(自身を除く): 1063527

約数列:

[1, 3, 31, 41, 93, 123, 677, 1271, 2031, 3813, 20987, 27757, 62961, 83271, 860467, 2581401]

約数ペア:

[(1, 2581401), (3, 860467), (31, 83271), (41, 62961), (93, 27757), (123, 20987), (677, 3813), (1271, 2031)]