201112121

素因数分解:

$7^2\times {\mathrm{421}}^1\times {\mathrm{9749}}^1$

素因数の和:10184

約数の個数: 12

約数和(自身を含む): 234526500

約数和(自身を除く): 33414379

約数列:

[1, 7, 49, 421, 2947, 9749, 20629, 68243, 477701, 4104329, 28730303, 201112121]

約数ペア:

[(1, 201112121), (7, 28730303), (49, 4104329), (421, 477701), (2947, 68243), (9749, 20629)]