2079891387

素因数分解:

$3^2\times 7^2\times {\mathrm{4716307}}^1$

素因数の和:4716327

約数の個数: 18

約数和(自身を含む): 3494784228

約数和(自身を除く): 1414892841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4716307, 14148921, 33014149, 42446763, 99042447, 231099043, 297127341, 693297129, 2079891387]

約数ペア:

[(1, 2079891387), (3, 693297129), (7, 297127341), (9, 231099043), (21, 99042447), (49, 42446763), (63, 33014149), (147, 14148921), (441, 4716307)]