218617815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{1481}}^1$

素因数の和:2259

約数の個数: 32

約数和(自身を含む): 377447616

約数和(自身を除く): 158829801

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 757, 1481, 2271, 3785, 4443, 7405, 9841, 11355, 19253, 22215, 29523, 49205, 57759, 96265, 147615, 288795, 1121117, 3363351, 5605585, 14574521, 16816755, 43723563, 72872605, 218617815]

約数ペア:

[(1, 218617815), (3, 72872605), (5, 43723563), (13, 16816755), (15, 14574521), (39, 5605585), (65, 3363351), (195, 1121117), (757, 288795), (1481, 147615), (2271, 96265), (3785, 57759), (4443, 49205), (7405, 29523), (9841, 22215), (11355, 19253)]