12121545

素因数分解:

$3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1249}}^1$

素因数の和:1904

約数の個数: 16

約数和(自身を含む): 19440000

約数和(自身を除く): 7318455

約数列:

[1, 3, 5, 15, 647, 1249, 1941, 3235, 3747, 6245, 9705, 18735, 808103, 2424309, 4040515, 12121545]

約数ペア:

[(1, 12121545), (3, 4040515), (5, 2424309), (15, 808103), (647, 18735), (1249, 9705), (1941, 6245), (3235, 3747)]