86736321

素因数分解:

$3^2\times 7^2\times {\mathrm{196681}}^1$

素因数の和:196701

約数の個数: 18

約数和(自身を含む): 145741362

約数和(自身を除く): 59005041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 196681, 590043, 1376767, 1770129, 4130301, 9637369, 12390903, 28912107, 86736321]

約数ペア:

[(1, 86736321), (3, 28912107), (7, 12390903), (9, 9637369), (21, 4130301), (49, 1770129), (63, 1376767), (147, 590043), (441, 196681)]