71400825

素因数分解:

$3^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:919

約数の個数: 48

約数和(自身を含む): 132283200

約数和(自身を除く): 60882375

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 139, 225, 417, 675, 695, 761, 1251, 2085, 2283, 3475, 3753, 3805, 6255, 6849, 10425, 11415, 18765, 19025, 20547, 31275, 34245, 57075, 93825, 102735, 105779, 171225, 317337, 513675, 528895, 952011, 1586685, 2644475, 2856033, 4760055, 7933425, 14280165, 23800275, 71400825]

約数ペア:

[(1, 71400825), (3, 23800275), (5, 14280165), (9, 7933425), (15, 4760055), (25, 2856033), (27, 2644475), (45, 1586685), (75, 952011), (135, 528895), (139, 513675), (225, 317337), (417, 171225), (675, 105779), (695, 102735), (761, 93825), (1251, 57075), (2085, 34245), (2283, 31275), (3475, 20547), (3753, 19025), (3805, 18765), (6255, 11415), (6849, 10425)]