207943701

素因数分解:

$3^1\times 7^2\times {\mathrm{821}}^1\times {\mathrm{1723}}^1$

素因数の和:2561

約数の個数: 24

約数和(自身を含む): 323105184

約数和(自身を除く): 115161483

約数列:

[1, 3, 7, 21, 49, 147, 821, 1723, 2463, 5169, 5747, 12061, 17241, 36183, 40229, 84427, 120687, 253281, 1414583, 4243749, 9902081, 29706243, 69314567, 207943701]

約数ペア:

[(1, 207943701), (3, 69314567), (7, 29706243), (21, 9902081), (49, 4243749), (147, 1414583), (821, 253281), (1723, 120687), (2463, 84427), (5169, 40229), (5747, 36183), (12061, 17241)]