206945007

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{21577}}^1$

素因数の和:21742

約数の個数: 16

約数和(自身を含む): 290008320

約数和(自身を除く): 83063313

約数列:

[1, 3, 23, 69, 139, 417, 3197, 9591, 21577, 64731, 496271, 1488813, 2999203, 8997609, 68981669, 206945007]

約数ペア:

[(1, 206945007), (3, 68981669), (23, 8997609), (69, 2999203), (139, 1488813), (417, 496271), (3197, 64731), (9591, 21577)]