81668385

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8287}}^1$

素因数の和:8374

約数の個数: 32

約数和(自身を含む): 147194880

約数和(自身を除く): 65526495

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 3285, 8287, 9855, 24861, 41435, 74583, 124305, 223749, 372915, 604951, 1118745, 1814853, 3024755, 5444559, 9074265, 16333677, 27222795, 81668385]

約数ペア:

[(1, 81668385), (3, 27222795), (5, 16333677), (9, 9074265), (15, 5444559), (27, 3024755), (45, 1814853), (73, 1118745), (135, 604951), (219, 372915), (365, 223749), (657, 124305), (1095, 74583), (1971, 41435), (3285, 24861), (8287, 9855)]