207966591

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{30851}}^1$

素因数の和:30971

約数の個数: 24

約数和(自身を含む): 346529664

約数和(自身を除く): 138563073

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 6741, 30851, 92553, 215957, 277659, 647871, 1943613, 3301057, 9903171, 23107399, 29709513, 69322197, 207966591]

約数ペア:

[(1, 207966591), (3, 69322197), (7, 29709513), (9, 23107399), (21, 9903171), (63, 3301057), (107, 1943613), (321, 647871), (749, 277659), (963, 215957), (2247, 92553), (6741, 30851)]