390812445

素因数分解:

$3^4\times 5^1\times {\mathrm{964969}}^1$

素因数の和:964986

約数の個数: 20

約数和(自身を含む): 700568220

約数和(自身を除く): 309755775

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 964969, 2894907, 4824845, 8684721, 14474535, 26054163, 43423605, 78162489, 130270815, 390812445]

約数ペア:

[(1, 390812445), (3, 130270815), (5, 78162489), (9, 43423605), (15, 26054163), (27, 14474535), (45, 8684721), (81, 4824845), (135, 2894907), (405, 964969)]