15328781

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 17640000

約数和(自身を除く): 2311219

約数列:

[1, 13, 17, 139, 221, 499, 1807, 2363, 6487, 8483, 30719, 69361, 110279, 901693, 1179137, 15328781]

約数ペア:

[(1, 15328781), (13, 1179137), (17, 901693), (139, 110279), (221, 69361), (499, 30719), (1807, 8483), (2363, 6487)]