15451121

素因数分解:

$7^3\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:549

約数の個数: 16

約数和(自身を含む): 18230400

約数和(自身を除く): 2779279

約数列:

[1, 7, 49, 107, 343, 421, 749, 2947, 5243, 20629, 36701, 45047, 144403, 315329, 2207303, 15451121]

約数ペア:

[(1, 15451121), (7, 2207303), (49, 315329), (107, 144403), (343, 45047), (421, 36701), (749, 20629), (2947, 5243)]