1520809425

素因数分解:

$3^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1801}}^1$

素因数の和:1965

約数の個数: 72

約数和(自身を含む): 2846727520

約数和(自身を除く): 1325918095

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 139, 225, 243, 405, 417, 675, 695, 1215, 1251, 1801, 2025, 2085, 3475, 3753, 5403, 6075, 6255, 9005, 10425, 11259, 16209, 18765, 27015, 31275, 33777, 45025, 48627, 56295, 81045, 93825, 135075, 145881, 168885, 243135, 250339, 281475, 405225, 437643, 729405, 751017, 844425, 1215675, 1251695, 2188215, 2253051, 3647025, 3755085, 6258475, 6759153, 10941075, 11265255, 18775425, 20277459, 33795765, 56326275, 60832377, 101387295, 168978825, 304161885, 506936475, 1520809425]

約数ペア:

[(1, 1520809425), (3, 506936475), (5, 304161885), (9, 168978825), (15, 101387295), (25, 60832377), (27, 56326275), (45, 33795765), (75, 20277459), (81, 18775425), (135, 11265255), (139, 10941075), (225, 6759153), (243, 6258475), (405, 3755085), (417, 3647025), (675, 2253051), (695, 2188215), (1215, 1251695), (1251, 1215675), (1801, 844425), (2025, 751017), (2085, 729405), (3475, 437643), (3753, 405225), (5403, 281475), (6075, 250339), (6255, 243135), (9005, 168885), (10425, 145881), (11259, 135075), (16209, 93825), (18765, 81045), (27015, 56295), (31275, 48627), (33777, 45025)]