65581731

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{27919}}^1$

素因数の和:27960

約数の個数: 20

約数和(自身を含む): 101349600

約数和(自身を除く): 35767869

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 27919, 83757, 251271, 753813, 809651, 2261439, 2428953, 7286859, 21860577, 65581731]

約数ペア:

[(1, 65581731), (3, 21860577), (9, 7286859), (27, 2428953), (29, 2261439), (81, 809651), (87, 753813), (261, 251271), (783, 83757), (2349, 27919)]