49487355

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1809

約数の個数: 40

約数和(自身を含む): 90012384

約数和(自身を除く): 40525029

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1721, 1917, 3195, 5163, 5751, 8605, 9585, 15489, 25815, 28755, 46467, 77445, 122191, 139401, 232335, 366573, 610955, 697005, 1099719, 1832865, 3299157, 5498595, 9897471, 16495785, 49487355]

約数ペア:

[(1, 49487355), (3, 16495785), (5, 9897471), (9, 5498595), (15, 3299157), (27, 1832865), (45, 1099719), (71, 697005), (81, 610955), (135, 366573), (213, 232335), (355, 139401), (405, 122191), (639, 77445), (1065, 46467), (1721, 28755), (1917, 25815), (3195, 15489), (5163, 9585), (5751, 8605)]