201388509

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{29327}}^1$

素因数の和:29449

約数の個数: 24

約数和(自身を含む): 335512320

約数和(自身を除く): 134123811

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 29327, 87981, 205289, 263943, 615867, 1847601, 3196643, 9589929, 22376501, 28769787, 67129503, 201388509]

約数ペア:

[(1, 201388509), (3, 67129503), (7, 28769787), (9, 22376501), (21, 9589929), (63, 3196643), (109, 1847601), (327, 615867), (763, 263943), (981, 205289), (2289, 87981), (6867, 29327)]