31980561

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{991}}^1$

素因数の和:1372

約数の個数: 16

約数和(自身を含む): 44187648

約数和(自身を除く): 12207087

約数列:

[1, 3, 31, 93, 347, 991, 1041, 2973, 10757, 30721, 32271, 92163, 343877, 1031631, 10660187, 31980561]

約数ペア:

[(1, 31980561), (3, 10660187), (31, 1031631), (93, 343877), (347, 92163), (991, 32271), (1041, 30721), (2973, 10757)]