8378643

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 14063616

約数和(自身を除く): 5684973

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 653, 987, 1833, 1959, 4277, 4571, 8489, 12831, 13713, 25467, 30691, 59423, 92073, 178269, 214837, 398983, 644511, 1196949, 2792881, 8378643]

約数ペア:

[(1, 8378643), (3, 2792881), (7, 1196949), (13, 644511), (21, 398983), (39, 214837), (47, 178269), (91, 92073), (141, 59423), (273, 30691), (329, 25467), (611, 13713), (653, 12831), (987, 8489), (1833, 4571), (1959, 4277)]