207945171

素因数分解:

$3^3\times 7^2\times {\mathrm{157177}}^1$

素因数の和:157200

約数の個数: 24

約数和(自身を含む): 358365840

約数和(自身を除く): 150420669

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 157177, 471531, 1100239, 1414593, 3300717, 4243779, 7701673, 9902151, 23105019, 29706453, 69315057, 207945171]

約数ペア:

[(1, 207945171), (3, 69315057), (7, 29706453), (9, 23105019), (21, 9902151), (27, 7701673), (49, 4243779), (63, 3300717), (147, 1414593), (189, 1100239), (441, 471531), (1323, 157177)]