210896781

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 310174848

約数和(自身を除く): 99278067

約数列:

[1, 3, 17, 37, 51, 73, 111, 219, 629, 1241, 1531, 1887, 2701, 3723, 4593, 8103, 26027, 45917, 56647, 78081, 111763, 137751, 169941, 335289, 962999, 1899971, 2888997, 4135231, 5699913, 12405693, 70298927, 210896781]

約数ペア:

[(1, 210896781), (3, 70298927), (17, 12405693), (37, 5699913), (51, 4135231), (73, 2888997), (111, 1899971), (219, 962999), (629, 335289), (1241, 169941), (1531, 137751), (1887, 111763), (2701, 78081), (3723, 56647), (4593, 45917), (8103, 26027)]