2152451205

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{7789}}^1$

素因数の和:7915

約数の個数: 64

約数和(自身を含む): 4038336000

約数和(自身を除く): 1885884795

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 89, 115, 135, 207, 267, 345, 445, 621, 801, 1035, 1335, 2047, 2403, 3105, 4005, 6141, 7789, 10235, 12015, 18423, 23367, 30705, 38945, 55269, 70101, 92115, 116835, 179147, 210303, 276345, 350505, 537441, 693221, 895735, 1051515, 1612323, 2079663, 2687205, 3466105, 4836969, 6238989, 8061615, 10398315, 15944083, 18716967, 24184845, 31194945, 47832249, 79720415, 93584835, 143496747, 239161245, 430490241, 717483735, 2152451205]

約数ペア:

[(1, 2152451205), (3, 717483735), (5, 430490241), (9, 239161245), (15, 143496747), (23, 93584835), (27, 79720415), (45, 47832249), (69, 31194945), (89, 24184845), (115, 18716967), (135, 15944083), (207, 10398315), (267, 8061615), (345, 6238989), (445, 4836969), (621, 3466105), (801, 2687205), (1035, 2079663), (1335, 1612323), (2047, 1051515), (2403, 895735), (3105, 693221), (4005, 537441), (6141, 350505), (7789, 276345), (10235, 210303), (12015, 179147), (18423, 116835), (23367, 92115), (30705, 70101), (38945, 55269)]