201720371321

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{12164287}}^1$

素因数の和:12164420

約数の個数: 16

約数和(自身を含む): 242896502784

約数和(自身を除く): 41176131463

約数列:

[1, 7, 23, 103, 161, 721, 2369, 16583, 12164287, 85150009, 279778601, 1252921561, 1958450207, 8770450927, 28817195903, 201720371321]

約数ペア:

[(1, 201720371321), (7, 28817195903), (23, 8770450927), (103, 1958450207), (161, 1252921561), (721, 279778601), (2369, 85150009), (16583, 12164287)]