11891655

素因数分解:

$3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{659}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 20694960

約数和(自身を除く): 8803305

約数列:

[1, 3, 5, 9, 15, 45, 401, 659, 1203, 1977, 2005, 3295, 3609, 5931, 6015, 9885, 18045, 29655, 264259, 792777, 1321295, 2378331, 3963885, 11891655]

約数ペア:

[(1, 11891655), (3, 3963885), (5, 2378331), (9, 1321295), (15, 792777), (45, 264259), (401, 29655), (659, 18045), (1203, 9885), (1977, 6015), (2005, 5931), (3295, 3609)]