20143503

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:535

約数の個数: 24

約数和(自身を含む): 30126096

約数和(自身を除く): 9982593

約数列:

[1, 3, 9, 37, 111, 241, 251, 333, 723, 753, 2169, 2259, 8917, 9287, 26751, 27861, 60491, 80253, 83583, 181473, 544419, 2238167, 6714501, 20143503]

約数ペア:

[(1, 20143503), (3, 6714501), (9, 2238167), (37, 544419), (111, 181473), (241, 83583), (251, 80253), (333, 60491), (723, 27861), (753, 26751), (2169, 9287), (2259, 8917)]