90721905

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{72869}}^1$

素因数の和:72960

約数の個数: 16

約数和(自身を含む): 146905920

約数和(自身を除く): 56184015

約数列:

[1, 3, 5, 15, 83, 249, 415, 1245, 72869, 218607, 364345, 1093035, 6048127, 18144381, 30240635, 90721905]

約数ペア:

[(1, 90721905), (3, 30240635), (5, 18144381), (15, 6048127), (83, 1093035), (249, 364345), (415, 218607), (1245, 72869)]