89878575

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 158695200

約数和(自身を除く): 68816625

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 157, 255, 425, 449, 471, 785, 1275, 1347, 2245, 2355, 2669, 3925, 6735, 7633, 8007, 11225, 11775, 13345, 22899, 33675, 38165, 40035, 66725, 70493, 114495, 190825, 200175, 211479, 352465, 572475, 1057395, 1198381, 1762325, 3595143, 5286975, 5991905, 17975715, 29959525, 89878575]

約数ペア:

[(1, 89878575), (3, 29959525), (5, 17975715), (15, 5991905), (17, 5286975), (25, 3595143), (51, 1762325), (75, 1198381), (85, 1057395), (157, 572475), (255, 352465), (425, 211479), (449, 200175), (471, 190825), (785, 114495), (1275, 70493), (1347, 66725), (2245, 40035), (2355, 38165), (2669, 33675), (3925, 22899), (6735, 13345), (7633, 11775), (8007, 11225)]