208791387

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{114281}}^1$

素因数の和:114323

約数の個数: 24

約数和(自身を含む): 356559840

約数和(自身を除く): 147768453

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 114281, 342843, 799967, 1028529, 2399901, 3314149, 7199703, 9942447, 23199043, 29827341, 69597129, 208791387]

約数ペア:

[(1, 208791387), (3, 69597129), (7, 29827341), (9, 23199043), (21, 9942447), (29, 7199703), (63, 3314149), (87, 2399901), (203, 1028529), (261, 799967), (609, 342843), (1827, 114281)]