2005281405

素因数分解:

$3^2\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{30089}}^1$

素因数の和:31581

約数の個数: 24

約数和(自身を含む): 3478283640

約数和(自身を除く): 1473002235

約数列:

[1, 3, 5, 9, 15, 45, 1481, 4443, 7405, 13329, 22215, 30089, 66645, 90267, 150445, 270801, 451335, 1354005, 44561809, 133685427, 222809045, 401056281, 668427135, 2005281405]

約数ペア:

[(1, 2005281405), (3, 668427135), (5, 401056281), (9, 222809045), (15, 133685427), (45, 44561809), (1481, 1354005), (4443, 451335), (7405, 270801), (13329, 150445), (22215, 90267), (30089, 66645)]