71311515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{25423}}^1$

素因数の和:25459

約数の個数: 32

約数和(自身を含む): 131798016

約数和(自身を除く): 60486501

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 25423, 76269, 127115, 279653, 381345, 432191, 838959, 1296573, 1398265, 2160955, 4194795, 4754101, 6482865, 14262303, 23770505, 71311515]

約数ペア:

[(1, 71311515), (3, 23770505), (5, 14262303), (11, 6482865), (15, 4754101), (17, 4194795), (33, 2160955), (51, 1398265), (55, 1296573), (85, 838959), (165, 432191), (187, 381345), (255, 279653), (561, 127115), (935, 76269), (2805, 25423)]