161563857

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13763}}^1$

素因数の和:13829

約数の個数: 32

約数和(自身を含む): 271315968

約数和(自身を除く): 109752111

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 3913, 11739, 13763, 41289, 96341, 178919, 289023, 536757, 591809, 1252433, 1775427, 3757299, 4142663, 7693517, 12427989, 23080551, 53854619, 161563857]

約数ペア:

[(1, 161563857), (3, 53854619), (7, 23080551), (13, 12427989), (21, 7693517), (39, 4142663), (43, 3757299), (91, 1775427), (129, 1252433), (273, 591809), (301, 536757), (559, 289023), (903, 178919), (1677, 96341), (3913, 41289), (11739, 13763)]