128216637

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{227}}^1\times {\mathrm{647}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 188225856

約数和(自身を除く): 60009219

約数列:

[1, 3, 9, 97, 227, 291, 647, 681, 873, 1941, 2043, 5823, 22019, 62759, 66057, 146869, 188277, 198171, 440607, 564831, 1321821, 14246293, 42738879, 128216637]

約数ペア:

[(1, 128216637), (3, 42738879), (9, 14246293), (97, 1321821), (227, 564831), (291, 440607), (647, 198171), (681, 188277), (873, 146869), (1941, 66057), (2043, 62759), (5823, 22019)]