520121619

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{409}}^1\times {\mathrm{1399}}^1$

素因数の和:1915

約数の個数: 24

約数和(自身を含む): 761124000

約数和(自身を除く): 241002381

約数列:

[1, 3, 9, 101, 303, 409, 909, 1227, 1399, 3681, 4197, 12591, 41309, 123927, 141299, 371781, 423897, 572191, 1271691, 1716573, 5149719, 57791291, 173373873, 520121619]

約数ペア:

[(1, 520121619), (3, 173373873), (9, 57791291), (101, 5149719), (303, 1716573), (409, 1271691), (909, 572191), (1227, 423897), (1399, 371781), (3681, 141299), (4197, 123927), (12591, 41309)]