5557815

素因数分解:

$3^4\times 5^1\times {\mathrm{13723}}^1$

素因数の和:13740

約数の個数: 20

約数和(自身を含む): 9963624

約数和(自身を除く): 4405809

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 13723, 41169, 68615, 123507, 205845, 370521, 617535, 1111563, 1852605, 5557815]

約数ペア:

[(1, 5557815), (3, 1852605), (5, 1111563), (9, 617535), (15, 370521), (27, 205845), (45, 123507), (81, 68615), (135, 41169), (405, 13723)]