81328665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{492901}}^1$

素因数の和:492920

約数の個数: 16

約数和(自身を含む): 141955776

約数和(自身を除く): 60627111

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 492901, 1478703, 2464505, 5421911, 7393515, 16265733, 27109555, 81328665]

約数ペア:

[(1, 81328665), (3, 27109555), (5, 16265733), (11, 7393515), (15, 5421911), (33, 2464505), (55, 1478703), (165, 492901)]