211055859

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{6823}}^1$

素因数の和:7327

約数の個数: 24

約数和(自身を含む): 349170432

約数和(自身を除く): 138114573

約数列:

[1, 3, 7, 9, 21, 63, 491, 1473, 3437, 4419, 6823, 10311, 20469, 30933, 47761, 61407, 143283, 429849, 3350093, 10050279, 23450651, 30150837, 70351953, 211055859]

約数ペア:

[(1, 211055859), (3, 70351953), (7, 30150837), (9, 23450651), (21, 10050279), (63, 3350093), (491, 429849), (1473, 143283), (3437, 61407), (4419, 47761), (6823, 30933), (10311, 20469)]