66415815

素因数分解:

$3^3\times 5^1\times {\mathrm{491969}}^1$

素因数の和:491983

約数の個数: 16

約数和(自身を含む): 118072800

約数和(自身を除く): 51656985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 491969, 1475907, 2459845, 4427721, 7379535, 13283163, 22138605, 66415815]

約数ペア:

[(1, 66415815), (3, 22138605), (5, 13283163), (9, 7379535), (15, 4427721), (27, 2459845), (45, 1475907), (135, 491969)]