268491027

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{1229}}^1$

素因数の和:1443

約数の個数: 32

約数和(自身を含む): 417530880

約数和(自身を除く): 149039853

約数列:

[1, 3, 7, 21, 101, 103, 303, 309, 707, 721, 1229, 2121, 2163, 3687, 8603, 10403, 25809, 31209, 72821, 124129, 126587, 218463, 372387, 379761, 868903, 886109, 2606709, 2658327, 12785287, 38355861, 89497009, 268491027]

約数ペア:

[(1, 268491027), (3, 89497009), (7, 38355861), (21, 12785287), (101, 2658327), (103, 2606709), (303, 886109), (309, 868903), (707, 379761), (721, 372387), (1229, 218463), (2121, 126587), (2163, 124129), (3687, 72821), (8603, 31209), (10403, 25809)]