12812013

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{2593}}^1$

素因数の和:2666

約数の個数: 20

約数和(自身を含む): 19460188

約数和(自身を除く): 6648175

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 2593, 4941, 7779, 23337, 70011, 158173, 210033, 474519, 1423557, 4270671, 12812013]

約数ペア:

[(1, 12812013), (3, 4270671), (9, 1423557), (27, 474519), (61, 210033), (81, 158173), (183, 70011), (549, 23337), (1647, 7779), (2593, 4941)]