157789281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2917}}^1$

素因数の和:3025

約数の個数: 32

約数和(自身を含む): 241843840

約数和(自身を除く): 84054559

約数列:

[1, 3, 13, 19, 39, 57, 73, 219, 247, 741, 949, 1387, 2847, 2917, 4161, 8751, 18031, 37921, 54093, 55423, 113763, 166269, 212941, 638823, 720499, 2161497, 2768233, 4045879, 8304699, 12137637, 52596427, 157789281]

約数ペア:

[(1, 157789281), (3, 52596427), (13, 12137637), (19, 8304699), (39, 4045879), (57, 2768233), (73, 2161497), (219, 720499), (247, 638823), (741, 212941), (949, 166269), (1387, 113763), (2847, 55423), (2917, 54093), (4161, 37921), (8751, 18031)]