12888711

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1289}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 20526480

約数和(自身を除く): 7637769

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 1289, 3333, 3867, 9999, 11601, 14179, 42537, 127611, 130189, 390567, 1171701, 1432079, 4296237, 12888711]

約数ペア:

[(1, 12888711), (3, 4296237), (9, 1432079), (11, 1171701), (33, 390567), (99, 130189), (101, 127611), (303, 42537), (909, 14179), (1111, 11601), (1289, 9999), (3333, 3867)]