202479669

素因数分解:

$3^4\times 7^1\times {\mathrm{357107}}^1$

素因数の和:357126

約数の個数: 20

約数和(自身を含む): 345680544

約数和(自身を除く): 143200875

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 357107, 1071321, 2499749, 3213963, 7499247, 9641889, 22497741, 28925667, 67493223, 202479669]

約数ペア:

[(1, 202479669), (3, 67493223), (7, 28925667), (9, 22497741), (21, 9641889), (27, 7499247), (63, 3213963), (81, 2499749), (189, 1071321), (567, 357107)]