207940821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{370661}}^1$

素因数の和:370692

約数の個数: 16

約数和(自身を含む): 320251968

約数和(自身を除く): 112311147

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 370661, 1111983, 4077271, 6301237, 12231813, 18903711, 69313607, 207940821]

約数ペア:

[(1, 207940821), (3, 69313607), (11, 18903711), (17, 12231813), (33, 6301237), (51, 4077271), (187, 1111983), (561, 370661)]