207841851

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{9967}}^1$

素因数の和:10311

約数の個数: 24

約数和(自身を含む): 344175104

約数和(自身を除く): 136333253

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 6951, 9967, 20853, 29901, 69769, 89703, 209307, 627921, 3299077, 9897231, 23093539, 29691693, 69280617, 207841851]

約数ペア:

[(1, 207841851), (3, 69280617), (7, 29691693), (9, 23093539), (21, 9897231), (63, 3299077), (331, 627921), (993, 209307), (2317, 89703), (2979, 69769), (6951, 29901), (9967, 20853)]