123808545

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{56149}}^1$

素因数の和:56174

約数の個数: 36

約数和(自身を含む): 249642900

約数和(自身を除く): 125834355

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 56149, 168447, 280745, 393043, 505341, 842235, 1179129, 1965215, 2526705, 2751301, 3537387, 5895645, 8253903, 13756505, 17686935, 24761709, 41269515, 123808545]

約数ペア:

[(1, 123808545), (3, 41269515), (5, 24761709), (7, 17686935), (9, 13756505), (15, 8253903), (21, 5895645), (35, 3537387), (45, 2751301), (49, 2526705), (63, 1965215), (105, 1179129), (147, 842235), (245, 505341), (315, 393043), (441, 280745), (735, 168447), (2205, 56149)]