27720546021

素因数分解:

$3^2\times 7^2\times {\mathrm{62858381}}^1$

素因数の和:62858401

約数の個数: 18

約数和(自身を含む): 46578061062

約数和(自身を除く): 18857515041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 62858381, 188575143, 440008667, 565725429, 1320026001, 3080060669, 3960078003, 9240182007, 27720546021]

約数ペア:

[(1, 27720546021), (3, 9240182007), (7, 3960078003), (9, 3080060669), (21, 1320026001), (49, 565725429), (63, 440008667), (147, 188575143), (441, 62858381)]