208032867

素因数分解:

$3^4\times 7^1\times {\mathrm{366901}}^1$

素因数の和:366920

約数の個数: 20

約数和(自身を含む): 355161136

約数和(自身を除く): 147128269

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 366901, 1100703, 2568307, 3302109, 7704921, 9906327, 23114763, 29718981, 69344289, 208032867]

約数ペア:

[(1, 208032867), (3, 69344289), (7, 29718981), (9, 23114763), (21, 9906327), (27, 7704921), (63, 3302109), (81, 2568307), (189, 1100703), (567, 366901)]