2581443

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{1427}}^1$

素因数の和:1503

約数の個数: 16

約数和(自身を含む): 3884160

約数和(自身を除く): 1302717

約数列:

[1, 3, 9, 27, 67, 201, 603, 1427, 1809, 4281, 12843, 38529, 95609, 286827, 860481, 2581443]

約数ペア:

[(1, 2581443), (3, 860481), (9, 286827), (27, 95609), (67, 38529), (201, 12843), (603, 4281), (1427, 1809)]