66209481

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{20959}}^1$

素因数の和:20987

約数の個数: 24

約数和(自身を含む): 106812160

約数和(自身を除く): 40602679

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 20959, 62877, 188631, 272467, 565893, 817401, 1697679, 2452203, 5093037, 7356609, 22069827, 66209481]

約数ペア:

[(1, 66209481), (3, 22069827), (9, 7356609), (13, 5093037), (27, 2452203), (39, 1697679), (81, 817401), (117, 565893), (243, 272467), (351, 188631), (1053, 62877), (3159, 20959)]