640901853

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{4188901}}^1$

素因数の和:4188924

約数の個数: 12

約数和(自身を含む): 980203068

約数和(自身を除く): 339301215

約数列:

[1, 3, 9, 17, 51, 153, 4188901, 12566703, 37700109, 71211317, 213633951, 640901853]

約数ペア:

[(1, 640901853), (3, 213633951), (9, 71211317), (17, 37700109), (51, 12566703), (153, 4188901)]