826103691

素因数分解:

$3^4\times 7^2\times {\mathrm{208139}}^1$

素因数の和:208165

約数の個数: 30

約数和(自身を含む): 1435541580

約数和(自身を除く): 609437889

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 208139, 624417, 1456973, 1873251, 4370919, 5619753, 10198811, 13112757, 16859259, 30596433, 39338271, 91789299, 118014813, 275367897, 826103691]

約数ペア:

[(1, 826103691), (3, 275367897), (7, 118014813), (9, 91789299), (21, 39338271), (27, 30596433), (49, 16859259), (63, 13112757), (81, 10198811), (147, 5619753), (189, 4370919), (441, 1873251), (567, 1456973), (1323, 624417), (3969, 208139)]