208023921

素因数分解:

$3^2\times 7^1\times {\mathrm{919}}^1\times {\mathrm{3593}}^1$

素因数の和:4525

約数の個数: 24

約数和(自身を含む): 343873920

約数和(自身を除く): 135849999

約数列:

[1, 3, 7, 9, 21, 63, 919, 2757, 3593, 6433, 8271, 10779, 19299, 25151, 32337, 57897, 75453, 226359, 3301967, 9905901, 23113769, 29717703, 69341307, 208023921]

約数ペア:

[(1, 208023921), (3, 69341307), (7, 29717703), (9, 23113769), (21, 9905901), (63, 3301967), (919, 226359), (2757, 75453), (3593, 57897), (6433, 32337), (8271, 25151), (10779, 19299)]