27907209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2791}}^1$

素因数の和:2909

約数の個数: 24

約数和(自身を含む): 44426304

約数和(自身を除く): 16519095

約数列:

[1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 2791, 3333, 8373, 9999, 25119, 30701, 92103, 276309, 281891, 845673, 2537019, 3100801, 9302403, 27907209]

約数ペア:

[(1, 27907209), (3, 9302403), (9, 3100801), (11, 2537019), (33, 845673), (99, 281891), (101, 276309), (303, 92103), (909, 30701), (1111, 25119), (2791, 9999), (3333, 8373)]