28259289

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2801}}^1$

素因数の和:2885

約数の個数: 24

約数和(自身を含む): 43711200

約数和(自身を除く): 15451911

約数列:

[1, 3, 9, 19, 57, 59, 171, 177, 531, 1121, 2801, 3363, 8403, 10089, 25209, 53219, 159657, 165259, 478971, 495777, 1487331, 3139921, 9419763, 28259289]

約数ペア:

[(1, 28259289), (3, 9419763), (9, 3139921), (19, 1487331), (57, 495777), (59, 478971), (171, 165259), (177, 159657), (531, 53219), (1121, 25209), (2801, 10089), (3363, 8403)]