78038163

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{28807}}^1$

素因数の和:28863

約数の個数: 24

約数和(自身を含む): 131825408

約数和(自身を除く): 53787245

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 28807, 86421, 201649, 259263, 604947, 1238701, 1814841, 3716103, 8670907, 11148309, 26012721, 78038163]

約数ペア:

[(1, 78038163), (3, 26012721), (7, 11148309), (9, 8670907), (21, 3716103), (43, 1814841), (63, 1238701), (129, 604947), (301, 259263), (387, 201649), (903, 86421), (2709, 28807)]