81683505

素因数分解:

$3^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{941}}^1$

素因数の和:1598

約数の個数: 32

約数和(自身を含む): 145595520

約数和(自身を除く): 63912015

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 643, 941, 1929, 2823, 3215, 4705, 5787, 8469, 9645, 14115, 17361, 25407, 28935, 42345, 86805, 127035, 605063, 1815189, 3025315, 5445567, 9075945, 16336701, 27227835, 81683505]

約数ペア:

[(1, 81683505), (3, 27227835), (5, 16336701), (9, 9075945), (15, 5445567), (27, 3025315), (45, 1815189), (135, 605063), (643, 127035), (941, 86805), (1929, 42345), (2823, 28935), (3215, 25407), (4705, 17361), (5787, 14115), (8469, 9645)]