2508255

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 4389840

約数和(自身を除く): 1881585

約数列:

[1, 3, 5, 9, 15, 45, 139, 401, 417, 695, 1203, 1251, 2005, 2085, 3609, 6015, 6255, 18045, 55739, 167217, 278695, 501651, 836085, 2508255]

約数ペア:

[(1, 2508255), (3, 836085), (5, 501651), (9, 278695), (15, 167217), (45, 55739), (139, 18045), (401, 6255), (417, 6015), (695, 3609), (1203, 2085), (1251, 2005)]