11720295

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:733

約数の個数: 40

約数和(自身を含む): 21530256

約数和(自身を除く): 9809961

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 673, 1161, 1935, 2019, 3365, 3483, 5805, 6057, 10095, 17415, 18171, 28939, 30285, 54513, 86817, 90855, 144695, 260451, 272565, 434085, 781353, 1302255, 2344059, 3906765, 11720295]

約数ペア:

[(1, 11720295), (3, 3906765), (5, 2344059), (9, 1302255), (15, 781353), (27, 434085), (43, 272565), (45, 260451), (81, 144695), (129, 90855), (135, 86817), (215, 54513), (387, 30285), (405, 28939), (645, 18171), (673, 17415), (1161, 10095), (1935, 6057), (2019, 5805), (3365, 3483)]