81019530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{900217}}^1$

素因数の和:900230

約数の個数: 24

約数和(自身を含む): 210651012

約数和(自身を除く): 129631482

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 900217, 1800434, 2700651, 4501085, 5401302, 8101953, 9002170, 13503255, 16203906, 27006510, 40509765, 81019530]

約数ペア:

[(1, 81019530), (2, 40509765), (3, 27006510), (5, 16203906), (6, 13503255), (9, 9002170), (10, 8101953), (15, 5401302), (18, 4501085), (30, 2700651), (45, 1800434), (90, 900217)]