2280579021

素因数分解:

$3^2\times 7^2\times {\mathrm{5171381}}^1$

素因数の和:5171401

約数の個数: 18

約数和(自身を含む): 3831994062

約数和(自身を除く): 1551415041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 5171381, 15514143, 36199667, 46542429, 108599001, 253397669, 325797003, 760193007, 2280579021]

約数ペア:

[(1, 2280579021), (3, 760193007), (7, 325797003), (9, 253397669), (21, 108599001), (49, 46542429), (63, 36199667), (147, 15514143), (441, 5171381)]