75697275

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 129991680

約数和(自身を除く): 54294405

約数列:

[1, 3, 5, 15, 25, 41, 75, 103, 123, 205, 239, 309, 515, 615, 717, 1025, 1195, 1545, 2575, 3075, 3585, 4223, 5975, 7725, 9799, 12669, 17925, 21115, 24617, 29397, 48995, 63345, 73851, 105575, 123085, 146985, 244975, 316725, 369255, 615425, 734925, 1009297, 1846275, 3027891, 5046485, 15139455, 25232425, 75697275]

約数ペア:

[(1, 75697275), (3, 25232425), (5, 15139455), (15, 5046485), (25, 3027891), (41, 1846275), (75, 1009297), (103, 734925), (123, 615425), (205, 369255), (239, 316725), (309, 244975), (515, 146985), (615, 123085), (717, 105575), (1025, 73851), (1195, 63345), (1545, 48995), (2575, 29397), (3075, 24617), (3585, 21115), (4223, 17925), (5975, 12669), (7725, 9799)]