25275615

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 16541985

約数列:

[1, 3, 5, 15, 43, 129, 149, 215, 263, 447, 645, 745, 789, 1315, 2235, 3945, 6407, 11309, 19221, 32035, 33927, 39187, 56545, 96105, 117561, 169635, 195935, 587805, 1685041, 5055123, 8425205, 25275615]

約数ペア:

[(1, 25275615), (3, 8425205), (5, 5055123), (15, 1685041), (43, 587805), (129, 195935), (149, 169635), (215, 117561), (263, 96105), (447, 56545), (645, 39187), (745, 33927), (789, 32035), (1315, 19221), (2235, 11309), (3945, 6407)]