1912815

素因数分解:

$3^4\times 5^1\times {\mathrm{4723}}^1$

素因数の和:4740

約数の個数: 20

約数和(自身を含む): 3429624

約数和(自身を除く): 1516809

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4723, 14169, 23615, 42507, 70845, 127521, 212535, 382563, 637605, 1912815]

約数ペア:

[(1, 1912815), (3, 637605), (5, 382563), (9, 212535), (15, 127521), (27, 70845), (45, 42507), (81, 23615), (135, 14169), (405, 4723)]