13663809

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{3923}}^1$

素因数の和:3978

約数の個数: 20

約数和(自身を含む): 20891376

約数和(自身を除く): 7227567

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 3923, 11769, 35307, 105921, 168689, 317763, 506067, 1518201, 4554603, 13663809]

約数ペア:

[(1, 13663809), (3, 4554603), (9, 1518201), (27, 506067), (43, 317763), (81, 168689), (129, 105921), (387, 35307), (1161, 11769), (3483, 3923)]