12778821

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4451}}^1$

素因数の和:4497

約数の個数: 24

約数和(自身を含む): 20835360

約数和(自身を除く): 8056539

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 4451, 13353, 40059, 48961, 129079, 146883, 387237, 440649, 1161711, 1419869, 4259607, 12778821]

約数ペア:

[(1, 12778821), (3, 4259607), (9, 1419869), (11, 1161711), (29, 440649), (33, 387237), (87, 146883), (99, 129079), (261, 48961), (319, 40059), (957, 13353), (2871, 4451)]