42097321

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 52486056

約数和(自身を除く): 10388735

約数列:

[1, 7, 17, 49, 97, 119, 521, 679, 833, 1649, 3647, 4753, 8857, 11543, 25529, 50537, 61999, 80801, 353759, 433993, 859129, 2476313, 6013903, 42097321]

約数ペア:

[(1, 42097321), (7, 6013903), (17, 2476313), (49, 859129), (97, 433993), (119, 353759), (521, 80801), (679, 61999), (833, 50537), (1649, 25529), (3647, 11543), (4753, 8857)]