12400155

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2963}}^1$

素因数の和:3008

約数の個数: 32

約数和(自身を含む): 22763520

約数和(自身を除く): 10363365

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 2963, 4185, 8889, 14815, 26667, 44445, 80001, 91853, 133335, 275559, 400005, 459265, 826677, 1377795, 2480031, 4133385, 12400155]

約数ペア:

[(1, 12400155), (3, 4133385), (5, 2480031), (9, 1377795), (15, 826677), (27, 459265), (31, 400005), (45, 275559), (93, 133335), (135, 91853), (155, 80001), (279, 44445), (465, 26667), (837, 14815), (1395, 8889), (2963, 4185)]