40803021

素因数分解:

$3^4\times 7^1\times {\mathrm{71963}}^1$

素因数の和:71982

約数の個数: 20

約数和(自身を含む): 69661152

約数和(自身を除く): 28858131

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 71963, 215889, 503741, 647667, 1511223, 1943001, 4533669, 5829003, 13601007, 40803021]

約数ペア:

[(1, 40803021), (3, 13601007), (7, 5829003), (9, 4533669), (21, 1943001), (27, 1511223), (63, 647667), (81, 503741), (189, 215889), (567, 71963)]