168978825

素因数分解:

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

素因数の和:1959

約数の個数: 48

約数和(自身を含む): 312827200

約数和(自身を除く): 143848375

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 139, 225, 417, 675, 695, 1251, 1801, 2085, 3475, 3753, 5403, 6255, 9005, 10425, 16209, 18765, 27015, 31275, 45025, 48627, 81045, 93825, 135075, 243135, 250339, 405225, 751017, 1215675, 1251695, 2253051, 3755085, 6258475, 6759153, 11265255, 18775425, 33795765, 56326275, 168978825]

約数ペア:

[(1, 168978825), (3, 56326275), (5, 33795765), (9, 18775425), (15, 11265255), (25, 6759153), (27, 6258475), (45, 3755085), (75, 2253051), (135, 1251695), (139, 1215675), (225, 751017), (417, 405225), (675, 250339), (695, 243135), (1251, 135075), (1801, 93825), (2085, 81045), (3475, 48627), (3753, 45025), (5403, 31275), (6255, 27015), (9005, 18765), (10425, 16209)]