1721000865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{34259}}^1$

素因数の和:34481

約数の個数: 32

約数和(自身を含む): 2930463360

約数和(自身を除く): 1209462495

約数列:

[1, 3, 5, 15, 17, 51, 85, 197, 255, 591, 985, 2955, 3349, 10047, 16745, 34259, 50235, 102777, 171295, 513885, 582403, 1747209, 2912015, 6749023, 8736045, 20247069, 33745115, 101235345, 114733391, 344200173, 573666955, 1721000865]

約数ペア:

[(1, 1721000865), (3, 573666955), (5, 344200173), (15, 114733391), (17, 101235345), (51, 33745115), (85, 20247069), (197, 8736045), (255, 6749023), (591, 2912015), (985, 1747209), (2955, 582403), (3349, 513885), (10047, 171295), (16745, 102777), (34259, 50235)]