8490279

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 32

約数和(自身を含む): 13619200

約数和(自身を除く): 5128921

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 223, 259, 343, 669, 777, 1029, 1561, 1813, 4683, 5439, 8251, 10927, 12691, 24753, 32781, 38073, 57757, 76489, 173271, 229467, 404299, 1212897, 2830093, 8490279]

約数ペア:

[(1, 8490279), (3, 2830093), (7, 1212897), (21, 404299), (37, 229467), (49, 173271), (111, 76489), (147, 57757), (223, 38073), (259, 32781), (343, 24753), (669, 12691), (777, 10927), (1029, 8251), (1561, 5439), (1813, 4683)]