87432121

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{57559}}^1$

素因数の和:57604

約数の個数: 12

約数和(自身を含む): 104989440

約数和(自身を除く): 17557319

約数列:

[1, 7, 31, 49, 217, 1519, 57559, 402913, 1784329, 2820391, 12490303, 87432121]

約数ペア:

[(1, 87432121), (7, 12490303), (31, 2820391), (49, 1784329), (217, 402913), (1519, 57559)]