81570335

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 131549184

約数和(自身を除く): 49978849

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 103, 119, 121, 187, 385, 515, 595, 605, 721, 847, 935, 1133, 1309, 1331, 1751, 2057, 3605, 4235, 5665, 6545, 6655, 7931, 8755, 9317, 10285, 12257, 12463, 14399, 19261, 22627, 39655, 46585, 61285, 62315, 71995, 87241, 96305, 113135, 134827, 137093, 158389, 211871, 436205, 674135, 685465, 791945, 959651, 1059355, 1483097, 2330581, 4798255, 7415485, 11652905, 16314067, 81570335]

約数ペア:

[(1, 81570335), (5, 16314067), (7, 11652905), (11, 7415485), (17, 4798255), (35, 2330581), (55, 1483097), (77, 1059355), (85, 959651), (103, 791945), (119, 685465), (121, 674135), (187, 436205), (385, 211871), (515, 158389), (595, 137093), (605, 134827), (721, 113135), (847, 96305), (935, 87241), (1133, 71995), (1309, 62315), (1331, 61285), (1751, 46585), (2057, 39655), (3605, 22627), (4235, 19261), (5665, 14399), (6545, 12463), (6655, 12257), (7931, 10285), (8755, 9317)]