12947553

素因数分解:

$3^3\times {\mathrm{31}}^2\times {\mathrm{499}}^1$

素因数の和:570

約数の個数: 24

約数和(自身を含む): 19860000

約数和(自身を除く): 6912447

約数列:

[1, 3, 9, 27, 31, 93, 279, 499, 837, 961, 1497, 2883, 4491, 8649, 13473, 15469, 25947, 46407, 139221, 417663, 479539, 1438617, 4315851, 12947553]

約数ペア:

[(1, 12947553), (3, 4315851), (9, 1438617), (27, 479539), (31, 417663), (93, 139221), (279, 46407), (499, 25947), (837, 15469), (961, 13473), (1497, 8649), (2883, 4491)]