1878788121

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1163}}^1\times {\mathrm{1789}}^1$

素因数の和:3005

約数の個数: 32

約数和(自身を含む): 2933652480

約数和(自身を除く): 1054864359

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1163, 1789, 3489, 5367, 8141, 12523, 24423, 37569, 50009, 76927, 150027, 230781, 350063, 538489, 1050189, 1615467, 2080607, 6241821, 14564249, 43692747, 89466101, 268398303, 626262707, 1878788121]

約数ペア:

[(1, 1878788121), (3, 626262707), (7, 268398303), (21, 89466101), (43, 43692747), (129, 14564249), (301, 6241821), (903, 2080607), (1163, 1615467), (1789, 1050189), (3489, 538489), (5367, 350063), (8141, 230781), (12523, 150027), (24423, 76927), (37569, 50009)]