67729207

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43781}}^1$

素因数の和:43818

約数の個数: 16

約数和(自身を含む): 88264512

約数和(自身を除く): 20535305

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 43781, 306467, 569153, 744277, 3984071, 5209939, 9675601, 67729207]

約数ペア:

[(1, 67729207), (7, 9675601), (13, 5209939), (17, 3984071), (91, 744277), (119, 569153), (221, 306467), (1547, 43781)]