28697559

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 43683840

約数和(自身を除く): 14986281

約数列:

[1, 3, 11, 29, 33, 87, 157, 191, 319, 471, 573, 957, 1727, 2101, 4553, 5181, 5539, 6303, 13659, 16617, 29987, 50083, 60929, 89961, 150249, 182787, 329857, 869623, 989571, 2608869, 9565853, 28697559]

約数ペア:

[(1, 28697559), (3, 9565853), (11, 2608869), (29, 989571), (33, 869623), (87, 329857), (157, 182787), (191, 150249), (319, 89961), (471, 60929), (573, 50083), (957, 29987), (1727, 16617), (2101, 13659), (4553, 6303), (5181, 5539)]