79989357

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 124902400

約数和(自身を除く): 44913043

約数列:

[1, 3, 7, 21, 67, 139, 201, 409, 417, 469, 973, 1227, 1407, 2863, 2919, 8589, 9313, 27403, 27939, 56851, 65191, 82209, 170553, 191821, 195573, 397957, 575463, 1193871, 3809017, 11427051, 26663119, 79989357]

約数ペア:

[(1, 79989357), (3, 26663119), (7, 11427051), (21, 3809017), (67, 1193871), (139, 575463), (201, 397957), (409, 195573), (417, 191821), (469, 170553), (973, 82209), (1227, 65191), (1407, 56851), (2863, 27939), (2919, 27403), (8589, 9313)]