64280781

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1889}}^1$

素因数の和:2113

約数の個数: 24

約数和(自身を含む): 98280000

約数和(自身を除く): 33999219

約数列:

[1, 3, 9, 19, 57, 171, 199, 597, 1791, 1889, 3781, 5667, 11343, 17001, 34029, 35891, 107673, 323019, 375911, 1127733, 3383199, 7142309, 21426927, 64280781]

約数ペア:

[(1, 64280781), (3, 21426927), (9, 7142309), (19, 3383199), (57, 1127733), (171, 375911), (199, 323019), (597, 107673), (1791, 35891), (1889, 34029), (3781, 17001), (5667, 11343)]