331369213

素因数分解:

$7^4\times {\mathrm{79}}^1\times {\mathrm{1747}}^1$

素因数の和:1854

約数の個数: 20

約数和(自身を含む): 391691840

約数和(自身を除く): 60322627

約数列:

[1, 7, 49, 79, 343, 553, 1747, 2401, 3871, 12229, 27097, 85603, 138013, 189679, 599221, 966091, 4194547, 6762637, 47338459, 331369213]

約数ペア:

[(1, 331369213), (7, 47338459), (49, 6762637), (79, 4194547), (343, 966091), (553, 599221), (1747, 189679), (2401, 138013), (3871, 85603), (12229, 27097)]