7220907

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:624

約数の個数: 20

約数和(自身を含む): 10860960

約数和(自身を除く): 3640053

約数列:

[1, 3, 9, 27, 81, 239, 373, 717, 1119, 2151, 3357, 6453, 10071, 19359, 30213, 89147, 267441, 802323, 2406969, 7220907]

約数ペア:

[(1, 7220907), (3, 2406969), (9, 802323), (27, 267441), (81, 89147), (239, 30213), (373, 19359), (717, 10071), (1119, 6453), (2151, 3357)]