210008169

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{16421}}^1$

素因数の和:16470

約数の個数: 36

約数和(自身を含む): 365061060

約数和(自身を除く): 155052891

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 203, 261, 441, 609, 1421, 1827, 4263, 12789, 16421, 49263, 114947, 147789, 344841, 476209, 804629, 1034523, 1428627, 2413887, 3333463, 4285881, 7241661, 10000389, 23334241, 30001167, 70002723, 210008169]

約数ペア:

[(1, 210008169), (3, 70002723), (7, 30001167), (9, 23334241), (21, 10000389), (29, 7241661), (49, 4285881), (63, 3333463), (87, 2413887), (147, 1428627), (203, 1034523), (261, 804629), (441, 476209), (609, 344841), (1421, 147789), (1827, 114947), (4263, 49263), (12789, 16421)]