8256129

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 13246464

約数和(自身を除く): 4990335

約数列:

[1, 3, 7, 21, 41, 43, 123, 129, 223, 287, 301, 669, 861, 903, 1561, 1763, 4683, 5289, 9143, 9589, 12341, 27429, 28767, 37023, 64001, 67123, 192003, 201369, 393149, 1179447, 2752043, 8256129]

約数ペア:

[(1, 8256129), (3, 2752043), (7, 1179447), (21, 393149), (41, 201369), (43, 192003), (123, 67123), (129, 64001), (223, 37023), (287, 28767), (301, 27429), (669, 12341), (861, 9589), (903, 9143), (1561, 5289), (1763, 4683)]