720772425

素因数分解:

$3^4\times 5^2\times {\mathrm{355937}}^1$

素因数の和:355959

約数の個数: 30

約数和(自身を含む): 1335123438

約数和(自身を除く): 614351013

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 355937, 1067811, 1779685, 3203433, 5339055, 8898425, 9610299, 16017165, 26695275, 28830897, 48051495, 80085825, 144154485, 240257475, 720772425]

約数ペア:

[(1, 720772425), (3, 240257475), (5, 144154485), (9, 80085825), (15, 48051495), (25, 28830897), (27, 26695275), (45, 16017165), (75, 9610299), (81, 8898425), (135, 5339055), (225, 3203433), (405, 1779685), (675, 1067811), (2025, 355937)]