13281399

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{769}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 20420400

約数和(自身を除く): 7139001

約数列:

[1, 3, 9, 19, 57, 101, 171, 303, 769, 909, 1919, 2307, 5757, 6921, 14611, 17271, 43833, 77669, 131499, 233007, 699021, 1475711, 4427133, 13281399]

約数ペア:

[(1, 13281399), (3, 4427133), (9, 1475711), (19, 699021), (57, 233007), (101, 131499), (171, 77669), (303, 43833), (769, 17271), (909, 14611), (1919, 6921), (2307, 5757)]