72073719

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{20693}}^1$

素因数の和:20748

約数の個数: 20

約数和(自身を含む): 110174856

約数和(自身を除く): 38101137

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 20693, 62079, 186237, 558711, 889799, 1676133, 2669397, 8008191, 24024573, 72073719]

約数ペア:

[(1, 72073719), (3, 24024573), (9, 8008191), (27, 2669397), (43, 1676133), (81, 889799), (129, 558711), (387, 186237), (1161, 62079), (3483, 20693)]