613818

素因数分解:

$2^1\times 3^6\times {\mathrm{421}}^1$

素因数の和:441

約数の個数: 28

約数和(自身を含む): 1383738

約数和(自身を除く): 769920

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 421, 486, 729, 842, 1263, 1458, 2526, 3789, 7578, 11367, 22734, 34101, 68202, 102303, 204606, 306909, 613818]

約数ペア:

[(1, 613818), (2, 306909), (3, 204606), (6, 102303), (9, 68202), (18, 34101), (27, 22734), (54, 11367), (81, 7578), (162, 3789), (243, 2526), (421, 1458), (486, 1263), (729, 842)]