210691467

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{115321}}^1$

素因数の和:115363

約数の個数: 24

約数和(自身を含む): 359804640

約数和(自身を除く): 149113173

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 115321, 345963, 807247, 1037889, 2421741, 3344309, 7265223, 10032927, 23410163, 30098781, 70230489, 210691467]

約数ペア:

[(1, 210691467), (3, 70230489), (7, 30098781), (9, 23410163), (21, 10032927), (29, 7265223), (63, 3344309), (87, 2421741), (203, 1037889), (261, 807247), (609, 345963), (1827, 115321)]