87699879

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{1181}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 130795392

約数和(自身を除く): 43095513

約数列:

[1, 3, 9, 37, 111, 223, 333, 669, 1181, 2007, 3543, 8251, 10629, 24753, 43697, 74259, 131091, 263363, 393273, 790089, 2370267, 9744431, 29233293, 87699879]

約数ペア:

[(1, 87699879), (3, 29233293), (9, 9744431), (37, 2370267), (111, 790089), (223, 393273), (333, 263363), (669, 131091), (1181, 74259), (2007, 43697), (3543, 24753), (8251, 10629)]