13220151

素因数分解:

$3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 20684160

約数和(自身を除く): 7464009

約数列:

[1, 3, 7, 21, 49, 139, 147, 417, 647, 973, 1941, 2919, 4529, 6811, 13587, 20433, 31703, 89933, 95109, 269799, 629531, 1888593, 4406717, 13220151]

約数ペア:

[(1, 13220151), (3, 4406717), (7, 1888593), (21, 629531), (49, 269799), (139, 95109), (147, 89933), (417, 31703), (647, 20433), (973, 13587), (1941, 6811), (2919, 4529)]