3127815

素因数分解:

$3^4\times 5^1\times {\mathrm{7723}}^1$

素因数の和:7740

約数の個数: 20

約数和(自身を含む): 5607624

約数和(自身を除く): 2479809

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 7723, 23169, 38615, 69507, 115845, 208521, 347535, 625563, 1042605, 3127815]

約数ペア:

[(1, 3127815), (3, 1042605), (5, 625563), (9, 347535), (15, 208521), (27, 115845), (45, 69507), (81, 38615), (135, 23169), (405, 7723)]