307778913

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{1823}}^1$

素因数の和:1895

約数の個数: 48

約数和(自身を含む): 507363840

約数和(自身を除く): 199584927

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 169, 333, 351, 481, 507, 999, 1443, 1521, 1823, 4329, 4563, 5469, 6253, 12987, 16407, 18759, 23699, 49221, 56277, 67451, 71097, 168831, 202353, 213291, 308087, 607059, 639873, 876863, 924261, 1821177, 2630589, 2772783, 7891767, 8318349, 11399219, 23675301, 34197657, 102592971, 307778913]

約数ペア:

[(1, 307778913), (3, 102592971), (9, 34197657), (13, 23675301), (27, 11399219), (37, 8318349), (39, 7891767), (111, 2772783), (117, 2630589), (169, 1821177), (333, 924261), (351, 876863), (481, 639873), (507, 607059), (999, 308087), (1443, 213291), (1521, 202353), (1823, 168831), (4329, 71097), (4563, 67451), (5469, 56277), (6253, 49221), (12987, 23699), (16407, 18759)]