123156943

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{487}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 154990752

約数和(自身を除く): 31833809

約数列:

[1, 7, 13, 49, 91, 397, 487, 637, 2779, 3409, 5161, 6331, 19453, 23863, 36127, 44317, 193339, 252889, 310219, 1353373, 2513407, 9473611, 17593849, 123156943]

約数ペア:

[(1, 123156943), (7, 17593849), (13, 9473611), (49, 2513407), (91, 1353373), (397, 310219), (487, 252889), (637, 193339), (2779, 44317), (3409, 36127), (5161, 23863), (6331, 19453)]