31267971

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7193}}^1$

素因数の和:7232

約数の個数: 32

約数和(自身を含む): 55249920

約数和(自身を除く): 23981949

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 7193, 21579, 50351, 64737, 151053, 165439, 194211, 453159, 496317, 1158073, 1359477, 1488951, 3474219, 4466853, 10422657, 31267971]

約数ペア:

[(1, 31267971), (3, 10422657), (7, 4466853), (9, 3474219), (21, 1488951), (23, 1359477), (27, 1158073), (63, 496317), (69, 453159), (161, 194211), (189, 165439), (207, 151053), (483, 64737), (621, 50351), (1449, 21579), (4347, 7193)]