1277310727

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 1688440320

約数和(自身を除く): 411129593

約数列:

[1, 7, 11, 23, 77, 121, 161, 173, 253, 379, 847, 1211, 1771, 1903, 2653, 2783, 3979, 4169, 8717, 13321, 19481, 20933, 27853, 29183, 43769, 45859, 61019, 65567, 95887, 146531, 306383, 321013, 458969, 481459, 671209, 721237, 1054757, 1508041, 3370213, 5048659, 7383299, 7933607, 10556287, 16588451, 55535249, 116119157, 182472961, 1277310727]

約数ペア:

[(1, 1277310727), (7, 182472961), (11, 116119157), (23, 55535249), (77, 16588451), (121, 10556287), (161, 7933607), (173, 7383299), (253, 5048659), (379, 3370213), (847, 1508041), (1211, 1054757), (1771, 721237), (1903, 671209), (2653, 481459), (2783, 458969), (3979, 321013), (4169, 306383), (8717, 146531), (13321, 95887), (19481, 65567), (20933, 61019), (27853, 45859), (29183, 43769)]