138915975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7321}}^1$

素因数の和:7368

約数の個数: 48

約数和(自身を含む): 261483264

約数和(自身を除く): 122567289

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 165, 253, 275, 345, 575, 759, 825, 1265, 1725, 3795, 6325, 7321, 18975, 21963, 36605, 80531, 109815, 168383, 183025, 241593, 402655, 505149, 549075, 841915, 1207965, 1852213, 2013275, 2525745, 4209575, 5556639, 6039825, 9261065, 12628725, 27783195, 46305325, 138915975]

約数ペア:

[(1, 138915975), (3, 46305325), (5, 27783195), (11, 12628725), (15, 9261065), (23, 6039825), (25, 5556639), (33, 4209575), (55, 2525745), (69, 2013275), (75, 1852213), (115, 1207965), (165, 841915), (253, 549075), (275, 505149), (345, 402655), (575, 241593), (759, 183025), (825, 168383), (1265, 109815), (1725, 80531), (3795, 36605), (6325, 21963), (7321, 18975)]