399074697

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{134777}}^1$

素因数の和:134837

約数の個数: 24

約数和(自身を含む): 672811776

約数和(自身を除く): 273737079

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 134777, 404331, 943439, 1212993, 2830317, 6334519, 8490951, 19003557, 44341633, 57010671, 133024899, 399074697]

約数ペア:

[(1, 399074697), (3, 133024899), (7, 57010671), (9, 44341633), (21, 19003557), (47, 8490951), (63, 6334519), (141, 2830317), (329, 1212993), (423, 943439), (987, 404331), (2961, 134777)]