648049275

素因数分解:

$3^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{6907}}^1$

素因数の和:7065

約数の個数: 48

約数和(自身を含む): 1199228800

約数和(自身を除く): 551179525

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 139, 225, 417, 675, 695, 1251, 2085, 3475, 3753, 6255, 6907, 10425, 18765, 20721, 31275, 34535, 62163, 93825, 103605, 172675, 186489, 310815, 518025, 932445, 960073, 1554075, 2880219, 4662225, 4800365, 8640657, 14401095, 24001825, 25921971, 43203285, 72005475, 129609855, 216016425, 648049275]

約数ペア:

[(1, 648049275), (3, 216016425), (5, 129609855), (9, 72005475), (15, 43203285), (25, 25921971), (27, 24001825), (45, 14401095), (75, 8640657), (135, 4800365), (139, 4662225), (225, 2880219), (417, 1554075), (675, 960073), (695, 932445), (1251, 518025), (2085, 310815), (3475, 186489), (3753, 172675), (6255, 103605), (6907, 93825), (10425, 62163), (18765, 34535), (20721, 31275)]