220199301

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{15263}}^1$

素因数の和:15505

約数の個数: 24

約数和(自身を含む): 365114880

約数和(自身を除く): 144915579

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1603, 2061, 4809, 14427, 15263, 45789, 106841, 137367, 320523, 961569, 3495227, 10485681, 24466589, 31457043, 73399767, 220199301]

約数ペア:

[(1, 220199301), (3, 73399767), (7, 31457043), (9, 24466589), (21, 10485681), (63, 3495227), (229, 961569), (687, 320523), (1603, 137367), (2061, 106841), (4809, 45789), (14427, 15263)]