40431393

素因数分解:

$3^4\times {\mathrm{617}}^1\times {\mathrm{809}}^1$

素因数の和:1438

約数の個数: 20

約数和(自身を含む): 60570180

約数和(自身を除く): 20138787

約数列:

[1, 3, 9, 27, 81, 617, 809, 1851, 2427, 5553, 7281, 16659, 21843, 49977, 65529, 499153, 1497459, 4492377, 13477131, 40431393]

約数ペア:

[(1, 40431393), (3, 13477131), (9, 4492377), (27, 1497459), (81, 499153), (617, 65529), (809, 49977), (1851, 21843), (2427, 16659), (5553, 7281)]