218604807

素因数分解:

$3^2\times {\mathrm{53}}^2\times {\mathrm{8647}}^1$

素因数の和:8759

約数の個数: 18

約数和(自身を含む): 321869912

約数和(自身を除く): 103265105

約数列:

[1, 3, 9, 53, 159, 477, 2809, 8427, 8647, 25281, 25941, 77823, 458291, 1374873, 4124619, 24289423, 72868269, 218604807]

約数ペア:

[(1, 218604807), (3, 72868269), (9, 24289423), (53, 4124619), (159, 1374873), (477, 458291), (2809, 77823), (8427, 25941), (8647, 25281)]