7428825

素因数分解:

$3^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:394

約数の個数: 36

約数和(自身を含む): 13458588

約数和(自身を除く): 6029763

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 137, 225, 241, 411, 685, 723, 1205, 1233, 2055, 2169, 3425, 3615, 6025, 6165, 10275, 10845, 18075, 30825, 33017, 54225, 99051, 165085, 297153, 495255, 825425, 1485765, 2476275, 7428825]

約数ペア:

[(1, 7428825), (3, 2476275), (5, 1485765), (9, 825425), (15, 495255), (25, 297153), (45, 165085), (75, 99051), (137, 54225), (225, 33017), (241, 30825), (411, 18075), (685, 10845), (723, 10275), (1205, 6165), (1233, 6025), (2055, 3615), (2169, 3425)]