201768771

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 291962880

約数和(自身を除く): 90194109

約数列:

[1, 3, 19, 43, 57, 129, 191, 431, 573, 817, 1293, 2451, 3629, 8189, 8213, 10887, 18533, 24567, 24639, 55599, 82321, 156047, 246963, 352127, 468141, 1056381, 1564099, 3539803, 4692297, 10619409, 67256257, 201768771]

約数ペア:

[(1, 201768771), (3, 67256257), (19, 10619409), (43, 4692297), (57, 3539803), (129, 1564099), (191, 1056381), (431, 468141), (573, 352127), (817, 246963), (1293, 156047), (2451, 82321), (3629, 55599), (8189, 24639), (8213, 24567), (10887, 18533)]