2179845

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 3949440

約数和(自身を除く): 1769595

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 241, 335, 603, 723, 1005, 1205, 1809, 2169, 3015, 3615, 6507, 9045, 10845, 16147, 32535, 48441, 80735, 145323, 242205, 435969, 726615, 2179845]

約数ペア:

[(1, 2179845), (3, 726615), (5, 435969), (9, 242205), (15, 145323), (27, 80735), (45, 48441), (67, 32535), (135, 16147), (201, 10845), (241, 9045), (335, 6507), (603, 3615), (723, 3015), (1005, 2169), (1205, 1809)]