81394587

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{593}}^1$

素因数の和:851

約数の個数: 24

約数和(自身を含む): 119721888

約数和(自身を除く): 38327301

約数列:

[1, 3, 9, 101, 151, 303, 453, 593, 909, 1359, 1779, 5337, 15251, 45753, 59893, 89543, 137259, 179679, 268629, 539037, 805887, 9043843, 27131529, 81394587]

約数ペア:

[(1, 81394587), (3, 27131529), (9, 9043843), (101, 805887), (151, 539037), (303, 268629), (453, 179679), (593, 137259), (909, 89543), (1359, 59893), (1779, 45753), (5337, 15251)]