31540977

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:354

約数の個数: 36

約数和(自身を含む): 50101740

約数和(自身を除く): 18560763

約数列:

[1, 3, 9, 13, 39, 89, 117, 169, 233, 267, 507, 699, 801, 1157, 1521, 2097, 3029, 3471, 9087, 10413, 15041, 20737, 27261, 39377, 45123, 62211, 118131, 135369, 186633, 269581, 354393, 808743, 2426229, 3504553, 10513659, 31540977]

約数ペア:

[(1, 31540977), (3, 10513659), (9, 3504553), (13, 2426229), (39, 808743), (89, 354393), (117, 269581), (169, 186633), (233, 135369), (267, 118131), (507, 62211), (699, 45123), (801, 39377), (1157, 27261), (1521, 20737), (2097, 15041), (3029, 10413), (3471, 9087)]