201781713

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{69127}}^1$

素因数の和:69276

約数の個数: 16

約数和(自身を含む): 309693440

約数和(自身を除く): 107911727

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 69127, 207381, 483889, 1451667, 9608653, 28825959, 67260571, 201781713]

約数ペア:

[(1, 201781713), (3, 67260571), (7, 28825959), (21, 9608653), (139, 1451667), (417, 483889), (973, 207381), (2919, 69127)]