66689361

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 98057960

約数和(自身を除く): 31368599

約数列:

[1, 3, 9, 109, 157, 327, 433, 471, 981, 1299, 1413, 3897, 17113, 47197, 51339, 67981, 141591, 154017, 203943, 424773, 611829, 7409929, 22229787, 66689361]

約数ペア:

[(1, 66689361), (3, 22229787), (9, 7409929), (109, 611829), (157, 424773), (327, 203943), (433, 154017), (471, 141591), (981, 67981), (1299, 51339), (1413, 47197), (3897, 17113)]