28379907

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1931}}^1$

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 43400448

約数和(自身を除く): 15020541

約数列:

[1, 3, 9, 23, 69, 71, 207, 213, 639, 1633, 1931, 4899, 5793, 14697, 17379, 44413, 133239, 137101, 399717, 411303, 1233909, 3153323, 9459969, 28379907]

約数ペア:

[(1, 28379907), (3, 9459969), (9, 3153323), (23, 1233909), (69, 411303), (71, 399717), (207, 137101), (213, 133239), (639, 44413), (1633, 17379), (1931, 14697), (4899, 5793)]