42920973

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{2837}}^1$

素因数の和:2925

約数の個数: 18

約数和(自身を含む): 63568362

約数和(自身を除く): 20647389

約数列:

[1, 3, 9, 41, 123, 369, 1681, 2837, 5043, 8511, 15129, 25533, 116317, 348951, 1046853, 4768997, 14306991, 42920973]

約数ペア:

[(1, 42920973), (3, 14306991), (9, 4768997), (41, 1046853), (123, 348951), (369, 116317), (1681, 25533), (2837, 15129), (5043, 8511)]