205087689

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2309}}^1$

素因数の和:2525

約数の個数: 24

約数和(自身を含む): 302702400

約数和(自身を除く): 97614711

約数列:

[1, 3, 9, 71, 139, 213, 417, 639, 1251, 2309, 6927, 9869, 20781, 29607, 88821, 163939, 320951, 491817, 962853, 1475451, 2888559, 22787521, 68362563, 205087689]

約数ペア:

[(1, 205087689), (3, 68362563), (9, 22787521), (71, 2888559), (139, 1475451), (213, 962853), (417, 491817), (639, 320951), (1251, 163939), (2309, 88821), (6927, 29607), (9869, 20781)]