51308055

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 94011840

約数和(自身を除く): 42703785

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 89, 115, 207, 267, 345, 445, 557, 801, 1035, 1335, 1671, 2047, 2785, 4005, 5013, 6141, 8355, 10235, 12811, 18423, 25065, 30705, 38433, 49573, 64055, 92115, 115299, 148719, 192165, 247865, 446157, 576495, 743595, 1140179, 2230785, 3420537, 5700895, 10261611, 17102685, 51308055]

約数ペア:

[(1, 51308055), (3, 17102685), (5, 10261611), (9, 5700895), (15, 3420537), (23, 2230785), (45, 1140179), (69, 743595), (89, 576495), (115, 446157), (207, 247865), (267, 192165), (345, 148719), (445, 115299), (557, 92115), (801, 64055), (1035, 49573), (1335, 38433), (1671, 30705), (2047, 25065), (2785, 18423), (4005, 12811), (5013, 10235), (6141, 8355)]