28707723

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{593}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 46759680

約数和(自身を除く): 18051957

約数列:

[1, 3, 9, 11, 27, 33, 99, 163, 297, 489, 593, 1467, 1779, 1793, 4401, 5337, 5379, 6523, 16011, 16137, 19569, 48411, 58707, 96659, 176121, 289977, 869931, 1063249, 2609793, 3189747, 9569241, 28707723]

約数ペア:

[(1, 28707723), (3, 9569241), (9, 3189747), (11, 2609793), (27, 1063249), (33, 869931), (99, 289977), (163, 176121), (297, 96659), (489, 58707), (593, 48411), (1467, 19569), (1779, 16137), (1793, 16011), (4401, 6523), (5337, 5379)]