1142991

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 20

約数和(自身を含む): 1736592

約数和(自身を除く): 593601

約数列:

[1, 3, 9, 27, 81, 103, 137, 309, 411, 927, 1233, 2781, 3699, 8343, 11097, 14111, 42333, 126999, 380997, 1142991]

約数ペア:

[(1, 1142991), (3, 380997), (9, 126999), (27, 42333), (81, 14111), (103, 11097), (137, 8343), (309, 3699), (411, 2781), (927, 1233)]