725355

素因数分解:

$3^6\times 5^1\times {\mathrm{199}}^1$

素因数の和:222

約数の個数: 28

約数和(自身を含む): 1311600

約数和(自身を除く): 586245

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 199, 243, 405, 597, 729, 995, 1215, 1791, 2985, 3645, 5373, 8955, 16119, 26865, 48357, 80595, 145071, 241785, 725355]

約数ペア:

[(1, 725355), (3, 241785), (5, 145071), (9, 80595), (15, 48357), (27, 26865), (45, 16119), (81, 8955), (135, 5373), (199, 3645), (243, 2985), (405, 1791), (597, 1215), (729, 995)]