13840001

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{83}}^2$

素因数の和:221

約数の個数: 18

約数和(自身を含む): 16693362

約数和(自身を除く): 2853361

約数列:

[1, 7, 41, 49, 83, 287, 581, 2009, 3403, 4067, 6889, 23821, 48223, 166747, 282449, 337561, 1977143, 13840001]

約数ペア:

[(1, 13840001), (7, 1977143), (41, 337561), (49, 282449), (83, 166747), (287, 48223), (581, 23821), (2009, 6889), (3403, 4067)]