71880453

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{2213}}^1$

素因数の和:2626

約数の個数: 20

約数和(自身を含む): 107693388

約数和(自身を除く): 35812935

約数列:

[1, 3, 9, 27, 81, 401, 1203, 2213, 3609, 6639, 10827, 19917, 32481, 59751, 179253, 887413, 2662239, 7986717, 23960151, 71880453]

約数ペア:

[(1, 71880453), (3, 23960151), (9, 7986717), (27, 2662239), (81, 887413), (401, 179253), (1203, 59751), (2213, 32481), (3609, 19917), (6639, 10827)]