388620999

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{21997}}^1$

素因数の和:22167

約数の個数: 24

約数和(自身を含む): 608552672

約数和(自身を除く): 219931673

約数列:

[1, 3, 9, 13, 39, 117, 151, 453, 1359, 1963, 5889, 17667, 21997, 65991, 197973, 285961, 857883, 2573649, 3321547, 9964641, 29893923, 43180111, 129540333, 388620999]

約数ペア:

[(1, 388620999), (3, 129540333), (9, 43180111), (13, 29893923), (39, 9964641), (117, 3321547), (151, 2573649), (453, 857883), (1359, 285961), (1963, 197973), (5889, 65991), (17667, 21997)]