68137971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 105388800

約数和(自身を除く): 37250829

約数列:

[1, 3, 11, 19, 33, 57, 109, 209, 327, 627, 997, 1199, 2071, 2991, 3597, 6213, 10967, 18943, 22781, 32901, 56829, 68343, 108673, 208373, 326019, 625119, 1195403, 2064787, 3586209, 6194361, 22712657, 68137971]

約数ペア:

[(1, 68137971), (3, 22712657), (11, 6194361), (19, 3586209), (33, 2064787), (57, 1195403), (109, 625119), (209, 326019), (327, 208373), (627, 108673), (997, 68343), (1199, 56829), (2071, 32901), (2991, 22781), (3597, 18943), (6213, 10967)]