81195615

素因数分解:

$3^4\times 5^1\times {\mathrm{200483}}^1$

素因数の和:200500

約数の個数: 20

約数和(自身を含む): 145551384

約数和(自身を除く): 64355769

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 200483, 601449, 1002415, 1804347, 3007245, 5413041, 9021735, 16239123, 27065205, 81195615]

約数ペア:

[(1, 81195615), (3, 27065205), (5, 16239123), (9, 9021735), (15, 5413041), (27, 3007245), (45, 1804347), (81, 1002415), (135, 601449), (405, 200483)]