81475218

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{411491}}^1$

素因数の和:411510

約数の個数: 24

約数和(自身を含む): 192578256

約数和(自身を除く): 111103038

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 411491, 822982, 1234473, 2468946, 3703419, 4526401, 7406838, 9052802, 13579203, 27158406, 40737609, 81475218]

約数ペア:

[(1, 81475218), (2, 40737609), (3, 27158406), (6, 13579203), (9, 9052802), (11, 7406838), (18, 4526401), (22, 3703419), (33, 2468946), (66, 1234473), (99, 822982), (198, 411491)]