68891787

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 101107968

約数和(自身を除く): 32216181

約数列:

[1, 3, 9, 151, 163, 311, 453, 489, 933, 1359, 1467, 2799, 24613, 46961, 50693, 73839, 140883, 152079, 221517, 422649, 456237, 7654643, 22963929, 68891787]

約数ペア:

[(1, 68891787), (3, 22963929), (9, 7654643), (151, 456237), (163, 422649), (311, 221517), (453, 152079), (489, 140883), (933, 73839), (1359, 50693), (1467, 46961), (2799, 24613)]