87273949

素因数分解:

$7^4\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:414

約数の個数: 20

約数和(自身を含む): 102897536

約数和(自身を除く): 15623587

約数列:

[1, 7, 49, 163, 223, 343, 1141, 1561, 2401, 7987, 10927, 36349, 55909, 76489, 254443, 391363, 535423, 1781101, 12467707, 87273949]

約数ペア:

[(1, 87273949), (7, 12467707), (49, 1781101), (163, 535423), (223, 391363), (343, 254443), (1141, 76489), (1561, 55909), (2401, 36349), (7987, 10927)]