15290745

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 26756352

約数和(自身を除く): 11465607

約数列:

[1, 3, 5, 15, 23, 41, 47, 69, 115, 123, 141, 205, 235, 345, 529, 615, 705, 943, 1081, 1587, 1927, 2645, 2829, 3243, 4715, 5405, 5781, 7935, 9635, 14145, 16215, 21689, 24863, 28905, 44321, 65067, 74589, 108445, 124315, 132963, 221605, 325335, 372945, 664815, 1019383, 3058149, 5096915, 15290745]

約数ペア:

[(1, 15290745), (3, 5096915), (5, 3058149), (15, 1019383), (23, 664815), (41, 372945), (47, 325335), (69, 221605), (115, 132963), (123, 124315), (141, 108445), (205, 74589), (235, 65067), (345, 44321), (529, 28905), (615, 24863), (705, 21689), (943, 16215), (1081, 14145), (1587, 9635), (1927, 7935), (2645, 5781), (2829, 5405), (3243, 4715)]