81221454

素因数分解:

$2^1\times 3^4\times {\mathrm{501367}}^1$

素因数の和:501381

約数の個数: 20

約数和(自身を含む): 181996584

約数和(自身を除く): 100775130

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 501367, 1002734, 1504101, 3008202, 4512303, 9024606, 13536909, 27073818, 40610727, 81221454]

約数ペア:

[(1, 81221454), (2, 40610727), (3, 27073818), (6, 13536909), (9, 9024606), (18, 4512303), (27, 3008202), (54, 1504101), (81, 1002734), (162, 501367)]