64981977

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1\times {\mathrm{709}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 87790080

約数和(自身を除く): 22808103

約数列:

[1, 3, 137, 223, 411, 669, 709, 2127, 30551, 91653, 97133, 158107, 291399, 474321, 21660659, 64981977]

約数ペア:

[(1, 64981977), (3, 21660659), (137, 474321), (223, 291399), (411, 158107), (669, 97133), (709, 91653), (2127, 30551)]