90821517

素因数分解:

$3^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{1277}}^1$

素因数の和:1588

約数の個数: 16

約数和(自身を含む): 122769792

約数和(自身を除く): 31948275

約数列:

[1, 3, 151, 157, 453, 471, 1277, 3831, 23707, 71121, 192827, 200489, 578481, 601467, 30273839, 90821517]

約数ペア:

[(1, 90821517), (3, 30273839), (151, 601467), (157, 578481), (453, 200489), (471, 192827), (1277, 71121), (3831, 23707)]