25230855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 45061920

約数和(自身を除く): 19831065

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 169, 185, 195, 269, 481, 507, 555, 807, 845, 1345, 1443, 2405, 2535, 3497, 4035, 6253, 7215, 9953, 10491, 17485, 18759, 29859, 31265, 45461, 49765, 52455, 93795, 129389, 136383, 149295, 227305, 388167, 646945, 681915, 1682057, 1940835, 5046171, 8410285, 25230855]

約数ペア:

[(1, 25230855), (3, 8410285), (5, 5046171), (13, 1940835), (15, 1682057), (37, 681915), (39, 646945), (65, 388167), (111, 227305), (169, 149295), (185, 136383), (195, 129389), (269, 93795), (481, 52455), (507, 49765), (555, 45461), (807, 31265), (845, 29859), (1345, 18759), (1443, 17485), (2405, 10491), (2535, 9953), (3497, 7215), (4035, 6253)]