18133875

素因数分解:

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

素因数の和:232

約数の個数: 56

約数和(自身を含む): 34101600

約数和(自身を除く): 15967725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 199, 225, 243, 375, 405, 597, 675, 729, 995, 1125, 1215, 1791, 2025, 2985, 3375, 3645, 4975, 5373, 6075, 8955, 10125, 14925, 16119, 18225, 24875, 26865, 30375, 44775, 48357, 74625, 80595, 91125, 134325, 145071, 223875, 241785, 402975, 671625, 725355, 1208925, 2014875, 3626775, 6044625, 18133875]

約数ペア:

[(1, 18133875), (3, 6044625), (5, 3626775), (9, 2014875), (15, 1208925), (25, 725355), (27, 671625), (45, 402975), (75, 241785), (81, 223875), (125, 145071), (135, 134325), (199, 91125), (225, 80595), (243, 74625), (375, 48357), (405, 44775), (597, 30375), (675, 26865), (729, 24875), (995, 18225), (1125, 16119), (1215, 14925), (1791, 10125), (2025, 8955), (2985, 6075), (3375, 5373), (3645, 4975)]