289654071

素因数分解:

$3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{19961}}^1$

素因数の和:20662

約数の個数: 16

約数和(自身を含む): 442038528

約数和(自身を除く): 152384457

約数列:

[1, 3, 7, 21, 691, 2073, 4837, 14511, 19961, 59883, 139727, 419181, 13793051, 41379153, 96551357, 289654071]

約数ペア:

[(1, 289654071), (3, 96551357), (7, 41379153), (21, 13793051), (691, 419181), (2073, 139727), (4837, 59883), (14511, 19961)]