3959249

素因数分解:

$7^4\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 20

約数和(自身を含む): 4940964

約数和(自身を除く): 981715

約数列:

[1, 7, 17, 49, 97, 119, 343, 679, 833, 1649, 2401, 4753, 5831, 11543, 33271, 40817, 80801, 232897, 565607, 3959249]

約数ペア:

[(1, 3959249), (7, 565607), (17, 232897), (49, 80801), (97, 40817), (119, 33271), (343, 11543), (679, 5831), (833, 4753), (1649, 2401)]