81796257

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1231}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 127733760

約数和(自身を除く): 45937503

約数列:

[1, 3, 9, 23, 27, 69, 107, 207, 321, 621, 963, 1231, 2461, 2889, 3693, 7383, 11079, 22149, 28313, 33237, 66447, 84939, 131717, 254817, 395151, 764451, 1185453, 3029491, 3556359, 9088473, 27265419, 81796257]

約数ペア:

[(1, 81796257), (3, 27265419), (9, 9088473), (23, 3556359), (27, 3029491), (69, 1185453), (107, 764451), (207, 395151), (321, 254817), (621, 131717), (963, 84939), (1231, 66447), (2461, 33237), (2889, 28313), (3693, 22149), (7383, 11079)]