78871563

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{7433}}^1$

素因数の和:7576

約数の個数: 20

約数和(自身を含む): 118735848

約数和(自身を除く): 39864285

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 7433, 10611, 22299, 66897, 200691, 602073, 973723, 2921169, 8763507, 26290521, 78871563]

約数ペア:

[(1, 78871563), (3, 26290521), (9, 8763507), (27, 2921169), (81, 973723), (131, 602073), (393, 200691), (1179, 66897), (3537, 22299), (7433, 10611)]