68813451

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 119081664

約数和(自身を除く): 50268213

約数列:

[1, 3, 7, 9, 21, 37, 53, 63, 111, 159, 259, 333, 371, 477, 557, 777, 1113, 1671, 1961, 2331, 3339, 3899, 5013, 5883, 11697, 13727, 17649, 20609, 29521, 35091, 41181, 61827, 88563, 123543, 144263, 185481, 206647, 265689, 432789, 619941, 1092277, 1298367, 1859823, 3276831, 7645939, 9830493, 22937817, 68813451]

約数ペア:

[(1, 68813451), (3, 22937817), (7, 9830493), (9, 7645939), (21, 3276831), (37, 1859823), (53, 1298367), (63, 1092277), (111, 619941), (159, 432789), (259, 265689), (333, 206647), (371, 185481), (477, 144263), (557, 123543), (777, 88563), (1113, 61827), (1671, 41181), (1961, 35091), (2331, 29521), (3339, 20609), (3899, 17649), (5013, 13727), (5883, 11697)]