26159517

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{7877}}^1$

素因数の和:7930

約数の個数: 20

約数和(自身を含む): 40035996

約数和(自身を除く): 13876479

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 7877, 23631, 70893, 212679, 322957, 638037, 968871, 2906613, 8719839, 26159517]

約数ペア:

[(1, 26159517), (3, 8719839), (9, 2906613), (27, 968871), (41, 638037), (81, 322957), (123, 212679), (369, 70893), (1107, 23631), (3321, 7877)]