51999309

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 76402872

約数和(自身を除く): 24403563

約数列:

[1, 3, 9, 137, 181, 233, 411, 543, 699, 1233, 1629, 2097, 24797, 31921, 42173, 74391, 95763, 126519, 223173, 287289, 379557, 5777701, 17333103, 51999309]

約数ペア:

[(1, 51999309), (3, 17333103), (9, 5777701), (137, 379557), (181, 287289), (233, 223173), (411, 126519), (543, 95763), (699, 74391), (1233, 42173), (1629, 31921), (2097, 24797)]