397491183

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{601}}^1\times {\mathrm{1709}}^1$

素因数の和:2359

約数の個数: 24

約数和(自身を含む): 588828240

約数和(自身を除く): 191337057

約数列:

[1, 3, 9, 43, 129, 387, 601, 1709, 1803, 5127, 5409, 15381, 25843, 73487, 77529, 220461, 232587, 661383, 1027109, 3081327, 9243981, 44165687, 132497061, 397491183]

約数ペア:

[(1, 397491183), (3, 132497061), (9, 44165687), (43, 9243981), (129, 3081327), (387, 1027109), (601, 661383), (1709, 232587), (1803, 220461), (5127, 77529), (5409, 73487), (15381, 25843)]