31080959

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:136

約数の個数: 32

約数和(自身を含む): 40212480

約数和(自身を除く): 9131521

約数列:

[1, 7, 13, 43, 47, 91, 169, 301, 329, 559, 611, 1183, 2021, 2197, 3913, 4277, 7267, 7943, 14147, 15379, 26273, 50869, 55601, 94471, 103259, 183911, 341549, 661297, 722813, 2390843, 4440137, 31080959]

約数ペア:

[(1, 31080959), (7, 4440137), (13, 2390843), (43, 722813), (47, 661297), (91, 341549), (169, 183911), (301, 103259), (329, 94471), (559, 55601), (611, 50869), (1183, 26273), (2021, 15379), (2197, 14147), (3913, 7943), (4277, 7267)]