78402561

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 110423040

約数和(自身を除く): 32020479

約数列:

[1, 3, 23, 69, 127, 381, 389, 529, 1167, 1587, 2921, 8763, 8947, 26841, 49403, 67183, 148209, 201549, 205781, 617343, 1136269, 3408807, 26134187, 78402561]

約数ペア:

[(1, 78402561), (3, 26134187), (23, 3408807), (69, 1136269), (127, 617343), (381, 205781), (389, 201549), (529, 148209), (1167, 67183), (1587, 49403), (2921, 26841), (8763, 8947)]