781173

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 1212120

約数和(自身を除く): 430947

約数列:

[1, 3, 9, 29, 41, 73, 87, 123, 219, 261, 369, 657, 1189, 2117, 2993, 3567, 6351, 8979, 10701, 19053, 26937, 86797, 260391, 781173]

約数ペア:

[(1, 781173), (3, 260391), (9, 86797), (29, 26937), (41, 19053), (73, 10701), (87, 8979), (123, 6351), (219, 3567), (261, 2993), (369, 2117), (657, 1189)]