42127425

素因数分解:

$3^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:607

約数の個数: 48

約数和(自身を含む): 78120000

約数和(自身を除く): 35992575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 139, 225, 417, 449, 675, 695, 1251, 1347, 2085, 2245, 3475, 3753, 4041, 6255, 6735, 10425, 11225, 12123, 18765, 20205, 31275, 33675, 60615, 62411, 93825, 101025, 187233, 303075, 312055, 561699, 936165, 1560275, 1685097, 2808495, 4680825, 8425485, 14042475, 42127425]

約数ペア:

[(1, 42127425), (3, 14042475), (5, 8425485), (9, 4680825), (15, 2808495), (25, 1685097), (27, 1560275), (45, 936165), (75, 561699), (135, 312055), (139, 303075), (225, 187233), (417, 101025), (449, 93825), (675, 62411), (695, 60615), (1251, 33675), (1347, 31275), (2085, 20205), (2245, 18765), (3475, 12123), (3753, 11225), (4041, 10425), (6255, 6735)]