189600579

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 326339520

約数和(自身を除く): 136738941

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 157, 203, 261, 471, 609, 661, 1099, 1413, 1827, 1983, 3297, 4553, 4627, 5949, 9891, 13659, 13881, 19169, 31871, 40977, 41643, 57507, 95613, 103777, 134183, 172521, 286839, 311331, 402549, 726439, 933993, 1207647, 2179317, 3009533, 6537951, 9028599, 21066731, 27085797, 63200193, 189600579]

約数ペア:

[(1, 189600579), (3, 63200193), (7, 27085797), (9, 21066731), (21, 9028599), (29, 6537951), (63, 3009533), (87, 2179317), (157, 1207647), (203, 933993), (261, 726439), (471, 402549), (609, 311331), (661, 286839), (1099, 172521), (1413, 134183), (1827, 103777), (1983, 95613), (3297, 57507), (4553, 41643), (4627, 40977), (5949, 31871), (9891, 19169), (13659, 13881)]