28950909

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20063}}^1$

素因数の和:20116

約数の個数: 16

約数和(自身を含む): 42696192

約数和(自身を除く): 13745283

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 20063, 60189, 260819, 742331, 782457, 2226993, 9650303, 28950909]

約数ペア:

[(1, 28950909), (3, 9650303), (13, 2226993), (37, 782457), (39, 742331), (111, 260819), (481, 60189), (1443, 20063)]