4390443

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{809}}^1$

素因数の和:888

約数の個数: 20

約数和(自身を含む): 6664680

約数和(自身を除く): 2274237

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 809, 1809, 2427, 5427, 7281, 21843, 54203, 65529, 162609, 487827, 1463481, 4390443]

約数ペア:

[(1, 4390443), (3, 1463481), (9, 487827), (27, 162609), (67, 65529), (81, 54203), (201, 21843), (603, 7281), (809, 5427), (1809, 2427)]