12901551

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 20375040

約数和(自身を除く): 7473489

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 757, 897, 1311, 2271, 5681, 9841, 14383, 17043, 17411, 29523, 43149, 52233, 186979, 226343, 330809, 560937, 679029, 992427, 4300517, 12901551]

約数ペア:

[(1, 12901551), (3, 4300517), (13, 992427), (19, 679029), (23, 560937), (39, 330809), (57, 226343), (69, 186979), (247, 52233), (299, 43149), (437, 29523), (741, 17411), (757, 17043), (897, 14383), (1311, 9841), (2271, 5681)]