53640909

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{19801}}^1$

素因数の和:19857

約数の個数: 24

約数和(自身を含む): 90613952

約数和(自身を除く): 36973043

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 19801, 59403, 138607, 178209, 415821, 851443, 1247463, 2554329, 5960101, 7662987, 17880303, 53640909]

約数ペア:

[(1, 53640909), (3, 17880303), (7, 7662987), (9, 5960101), (21, 2554329), (43, 1247463), (63, 851443), (129, 415821), (301, 178209), (387, 138607), (903, 59403), (2709, 19801)]