81261315

素因数分解:

$3^2\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{1367}}^1$

素因数の和:2699

約数の個数: 24

約数和(自身を含む): 141062688

約数和(自身を除く): 59801373

約数列:

[1, 3, 5, 9, 15, 45, 1321, 1367, 3963, 4101, 6605, 6835, 11889, 12303, 19815, 20505, 59445, 61515, 1805807, 5417421, 9029035, 16252263, 27087105, 81261315]

約数ペア:

[(1, 81261315), (3, 27087105), (5, 16252263), (9, 9029035), (15, 5417421), (45, 1805807), (1321, 61515), (1367, 59445), (3963, 20505), (4101, 19815), (6605, 12303), (6835, 11889)]