6640785

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{863}}^1$

素因数の和:899

約数の個数: 40

約数和(自身を含む): 12545280

約数和(自身を除く): 5904495

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 863, 1539, 2565, 2589, 4315, 7695, 7767, 12945, 16397, 23301, 38835, 49191, 69903, 81985, 116505, 147573, 245955, 349515, 442719, 737865, 1328157, 2213595, 6640785]

約数ペア:

[(1, 6640785), (3, 2213595), (5, 1328157), (9, 737865), (15, 442719), (19, 349515), (27, 245955), (45, 147573), (57, 116505), (81, 81985), (95, 69903), (135, 49191), (171, 38835), (285, 23301), (405, 16397), (513, 12945), (855, 7767), (863, 7695), (1539, 4315), (2565, 2589)]