31102799

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 39338208

約数和(自身を除く): 8235409

約数列:

[1, 7, 13, 49, 91, 157, 311, 637, 1099, 2041, 2177, 4043, 7693, 14287, 15239, 28301, 48827, 100009, 198107, 341789, 634751, 2392523, 4443257, 31102799]

約数ペア:

[(1, 31102799), (7, 4443257), (13, 2392523), (49, 634751), (91, 341789), (157, 198107), (311, 100009), (637, 48827), (1099, 28301), (2041, 15239), (2177, 14287), (4043, 7693)]