128740023

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{10667}}^1$

素因数の和:10828

約数の個数: 20

約数和(自身を含む): 193624200

約数和(自身を除く): 64884177

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 10667, 12069, 32001, 96003, 288009, 864027, 1589383, 4768149, 14304447, 42913341, 128740023]

約数ペア:

[(1, 128740023), (3, 42913341), (9, 14304447), (27, 4768149), (81, 1589383), (149, 864027), (447, 288009), (1341, 96003), (4023, 32001), (10667, 12069)]