81337545

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 148936320

約数和(自身を除く): 67598775

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 89, 115, 207, 267, 345, 445, 801, 883, 1035, 1335, 2047, 2649, 4005, 4415, 6141, 7947, 10235, 13245, 18423, 20309, 30705, 39735, 60927, 78587, 92115, 101545, 182781, 235761, 304635, 392935, 707283, 913905, 1178805, 1807501, 3536415, 5422503, 9037505, 16267509, 27112515, 81337545]

約数ペア:

[(1, 81337545), (3, 27112515), (5, 16267509), (9, 9037505), (15, 5422503), (23, 3536415), (45, 1807501), (69, 1178805), (89, 913905), (115, 707283), (207, 392935), (267, 304635), (345, 235761), (445, 182781), (801, 101545), (883, 92115), (1035, 78587), (1335, 60927), (2047, 39735), (2649, 30705), (4005, 20309), (4415, 18423), (6141, 13245), (7947, 10235)]