397776393

素因数分解:

$3^3\times 7^1\times {\mathrm{419}}^1\times {\mathrm{5023}}^1$

素因数の和:5458

約数の個数: 32

約数和(自身を含む): 675225600

約数和(自身を除く): 277449207

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 419, 1257, 2933, 3771, 5023, 8799, 11313, 15069, 26397, 35161, 45207, 79191, 105483, 135621, 316449, 949347, 2104637, 6313911, 14732459, 18941733, 44197377, 56825199, 132592131, 397776393]

約数ペア:

[(1, 397776393), (3, 132592131), (7, 56825199), (9, 44197377), (21, 18941733), (27, 14732459), (63, 6313911), (189, 2104637), (419, 949347), (1257, 316449), (2933, 135621), (3771, 105483), (5023, 79191), (8799, 45207), (11313, 35161), (15069, 26397)]