890996679

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 1386088704

約数和(自身を除く): 495092025

約数列:

[1, 3, 9, 27, 43, 71, 81, 129, 213, 243, 387, 639, 1161, 1201, 1917, 3053, 3483, 3603, 5751, 9159, 10449, 10809, 17253, 27477, 32427, 51643, 82431, 85271, 97281, 154929, 247293, 255813, 291843, 464787, 741879, 767439, 1394361, 2302317, 3666653, 4183083, 6906951, 10999959, 12549249, 20720853, 32999877, 98999631, 296998893, 890996679]

約数ペア:

[(1, 890996679), (3, 296998893), (9, 98999631), (27, 32999877), (43, 20720853), (71, 12549249), (81, 10999959), (129, 6906951), (213, 4183083), (243, 3666653), (387, 2302317), (639, 1394361), (1161, 767439), (1201, 741879), (1917, 464787), (3053, 291843), (3483, 255813), (3603, 247293), (5751, 154929), (9159, 97281), (10449, 85271), (10809, 82431), (17253, 51643), (27477, 32427)]