81201816

素因数分解:

$2^3\times 3^2\times {\mathrm{1127803}}^1$

素因数の和:1127815

約数の個数: 24

約数和(自身を含む): 219921780

約数和(自身を除く): 138719964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1127803, 2255606, 3383409, 4511212, 6766818, 9022424, 10150227, 13533636, 20300454, 27067272, 40600908, 81201816]

約数ペア:

[(1, 81201816), (2, 40600908), (3, 27067272), (4, 20300454), (6, 13533636), (8, 10150227), (9, 9022424), (12, 6766818), (18, 4511212), (24, 3383409), (36, 2255606), (72, 1127803)]