321320251

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1\times {\mathrm{1019}}^1$

素因数の和:1554

約数の個数: 16

約数和(自身を含む): 371900160

約数和(自身を除く): 50579909

約数列:

[1, 7, 107, 421, 749, 1019, 2947, 7133, 45047, 109033, 315329, 428999, 763231, 3002993, 45902893, 321320251]

約数ペア:

[(1, 321320251), (7, 45902893), (107, 3002993), (421, 763231), (749, 428999), (1019, 315329), (2947, 109033), (7133, 45047)]