81455381

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{7691}}^1$

素因数の和:7804

約数の個数: 16

約数和(自身を含む): 99688320

約数和(自身を除く): 18232939

約数列:

[1, 7, 17, 89, 119, 623, 1513, 7691, 10591, 53837, 130747, 684499, 915229, 4791493, 11636483, 81455381]

約数ペア:

[(1, 81455381), (7, 11636483), (17, 4791493), (89, 915229), (119, 684499), (623, 130747), (1513, 53837), (7691, 10591)]