28290843

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{827}}^1$

素因数の和:1024

約数の個数: 32

約数和(自身を含む): 48222720

約数和(自身を除く): 19931877

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 543, 827, 1267, 1629, 2481, 3801, 4887, 5789, 7443, 11403, 17367, 22329, 34209, 52101, 149687, 156303, 449061, 1047809, 1347183, 3143427, 4041549, 9430281, 28290843]

約数ペア:

[(1, 28290843), (3, 9430281), (7, 4041549), (9, 3143427), (21, 1347183), (27, 1047809), (63, 449061), (181, 156303), (189, 149687), (543, 52101), (827, 34209), (1267, 22329), (1629, 17367), (2481, 11403), (3801, 7443), (4887, 5789)]