397796247

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61991}}^1$

素因数の和:62051

約数の個数: 24

約数和(自身を含む): 618928128

約数和(自身を除く): 221131881

約数列:

[1, 3, 9, 23, 31, 69, 93, 207, 279, 713, 2139, 6417, 61991, 185973, 557919, 1425793, 1921721, 4277379, 5765163, 12832137, 17295489, 44199583, 132598749, 397796247]

約数ペア:

[(1, 397796247), (3, 132598749), (9, 44199583), (23, 17295489), (31, 12832137), (69, 5765163), (93, 4277379), (207, 1921721), (279, 1425793), (713, 557919), (2139, 185973), (6417, 61991)]