1243725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 2476032

約数和(自身を除く): 1232307

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 103, 105, 115, 161, 175, 309, 345, 483, 515, 525, 575, 721, 805, 1545, 1725, 2163, 2369, 2415, 2575, 3605, 4025, 7107, 7725, 10815, 11845, 12075, 16583, 18025, 35535, 49749, 54075, 59225, 82915, 177675, 248745, 414575, 1243725]

約数ペア:

[(1, 1243725), (3, 414575), (5, 248745), (7, 177675), (15, 82915), (21, 59225), (23, 54075), (25, 49749), (35, 35535), (69, 18025), (75, 16583), (103, 12075), (105, 11845), (115, 10815), (161, 7725), (175, 7107), (309, 4025), (345, 3605), (483, 2575), (515, 2415), (525, 2369), (575, 2163), (721, 1725), (805, 1545)]