31880613

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 46604160

約数和(自身を除く): 14723547

約数列:

[1, 3, 19, 53, 57, 61, 159, 173, 183, 519, 1007, 1159, 3021, 3233, 3287, 3477, 9169, 9699, 9861, 10553, 27507, 31659, 61427, 174211, 184281, 200507, 522633, 559309, 601521, 1677927, 10626871, 31880613]

約数ペア:

[(1, 31880613), (3, 10626871), (19, 1677927), (53, 601521), (57, 559309), (61, 522633), (159, 200507), (173, 184281), (183, 174211), (519, 61427), (1007, 31659), (1159, 27507), (3021, 10553), (3233, 9861), (3287, 9699), (3477, 9169)]