290878887

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181913}}^1$

素因数の和:181970

約数の個数: 16

約数和(自身を含む): 427861728

約数和(自身を除く): 136982841

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 181913, 545739, 2364869, 7094607, 7458433, 22375299, 96959629, 290878887]

約数ペア:

[(1, 290878887), (3, 96959629), (13, 22375299), (39, 7458433), (41, 7094607), (123, 2364869), (533, 545739), (1599, 181913)]