222359985

素因数分解:

$3^4\times 5^1\times {\mathrm{549037}}^1$

素因数の和:549054

約数の個数: 20

約数和(自身を含む): 398601588

約数和(自身を除く): 176241603

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 549037, 1647111, 2745185, 4941333, 8235555, 14823999, 24706665, 44471997, 74119995, 222359985]

約数ペア:

[(1, 222359985), (3, 74119995), (5, 44471997), (9, 24706665), (15, 14823999), (27, 8235555), (45, 4941333), (81, 2745185), (135, 1647111), (405, 549037)]