215811783

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10531}}^1$

素因数の和:10577

約数の個数: 40

約数和(自身を含む): 367019136

約数和(自身を除く): 151207353

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 297, 621, 759, 891, 1863, 2277, 6831, 10531, 20493, 31593, 94779, 115841, 242213, 284337, 347523, 726639, 853011, 1042569, 2179917, 2664343, 3127707, 6539751, 7993029, 9383121, 19619253, 23979087, 71937261, 215811783]

約数ペア:

[(1, 215811783), (3, 71937261), (9, 23979087), (11, 19619253), (23, 9383121), (27, 7993029), (33, 6539751), (69, 3127707), (81, 2664343), (99, 2179917), (207, 1042569), (253, 853011), (297, 726639), (621, 347523), (759, 284337), (891, 242213), (1863, 115841), (2277, 94779), (6831, 31593), (10531, 20493)]