81391644

素因数分解:

$2^2\times 3^2\times {\mathrm{2260879}}^1$

素因数の和:2260889

約数の個数: 18

約数和(自身を含む): 205740080

約数和(自身を除く): 124348436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2260879, 4521758, 6782637, 9043516, 13565274, 20347911, 27130548, 40695822, 81391644]

約数ペア:

[(1, 81391644), (2, 40695822), (3, 27130548), (4, 20347911), (6, 13565274), (9, 9043516), (12, 6782637), (18, 4521758), (36, 2260879)]