8505655347

素因数分解:

$3^1\times 7^4\times {\mathrm{1180849}}^1$

素因数の和:1180880

約数の個数: 20

約数和(自身を含む): 13230243400

約数和(自身を除く): 4724588053

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 1180849, 3542547, 8265943, 24797829, 57861601, 173584803, 405031207, 1215093621, 2835218449, 8505655347]

約数ペア:

[(1, 8505655347), (3, 2835218449), (7, 1215093621), (21, 405031207), (49, 173584803), (147, 57861601), (343, 24797829), (1029, 8265943), (2401, 3542547), (7203, 1180849)]