4780286847

素因数分解:

$3^4\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{4243}}^1$

素因数の和:6249

約数の個数: 40

約数和(自身を含む): 8167085696

約数和(自身を除く): 3386798849

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1987, 4243, 5961, 12729, 13909, 17883, 29701, 38187, 41727, 53649, 89103, 114561, 125181, 160947, 267309, 343683, 375543, 801927, 1126629, 2405781, 8430841, 25292523, 59015887, 75877569, 177047661, 227632707, 531142983, 682898121, 1593428949, 4780286847]

約数ペア:

[(1, 4780286847), (3, 1593428949), (7, 682898121), (9, 531142983), (21, 227632707), (27, 177047661), (63, 75877569), (81, 59015887), (189, 25292523), (567, 8430841), (1987, 2405781), (4243, 1126629), (5961, 801927), (12729, 375543), (13909, 343683), (17883, 267309), (29701, 160947), (38187, 125181), (41727, 114561), (53649, 89103)]