53912775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 102961664

約数和(自身を除く): 49048889

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 103, 105, 175, 309, 515, 525, 721, 997, 1545, 2163, 2575, 2991, 3605, 4985, 6979, 7725, 10815, 14955, 18025, 20937, 24925, 34895, 54075, 74775, 102691, 104685, 174475, 308073, 513455, 523425, 718837, 1540365, 2156511, 2567275, 3594185, 7701825, 10782555, 17970925, 53912775]

約数ペア:

[(1, 53912775), (3, 17970925), (5, 10782555), (7, 7701825), (15, 3594185), (21, 2567275), (25, 2156511), (35, 1540365), (75, 718837), (103, 523425), (105, 513455), (175, 308073), (309, 174475), (515, 104685), (525, 102691), (721, 74775), (997, 54075), (1545, 34895), (2163, 24925), (2575, 20937), (2991, 18025), (3605, 14955), (4985, 10815), (6979, 7725)]