128767575

素因数分解:

$3^1\times 5^2\times {\mathrm{1716901}}^1$

素因数の和:1716914

約数の個数: 12

約数和(自身を含む): 212895848

約数和(自身を除く): 84128273

約数列:

[1, 3, 5, 15, 25, 75, 1716901, 5150703, 8584505, 25753515, 42922525, 128767575]

約数ペア:

[(1, 128767575), (3, 42922525), (5, 25753515), (15, 8584505), (25, 5150703), (75, 1716901)]