971543041

素因数分解:

$7^4\times {\mathrm{167}}^1\times {\mathrm{2423}}^1$

素因数の和:2618

約数の個数: 20

約数和(自身を含む): 1140656832

約数和(自身を除く): 169113791

約数列:

[1, 7, 49, 167, 343, 1169, 2401, 2423, 8183, 16961, 57281, 118727, 400967, 404641, 831089, 2832487, 5817623, 19827409, 138791863, 971543041]

約数ペア:

[(1, 971543041), (7, 138791863), (49, 19827409), (167, 5817623), (343, 2832487), (1169, 831089), (2401, 404641), (2423, 400967), (8183, 118727), (16961, 57281)]