42116985

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12821}}^1$

素因数の和:12905

約数の個数: 24

約数和(自身を含む): 74008584

約数和(自身を除く): 31891599

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 12821, 38463, 64105, 115389, 192315, 576945, 935933, 2807799, 4679665, 8423397, 14038995, 42116985]

約数ペア:

[(1, 42116985), (3, 14038995), (5, 8423397), (9, 4679665), (15, 2807799), (45, 935933), (73, 576945), (219, 192315), (365, 115389), (657, 64105), (1095, 38463), (3285, 12821)]