78457731

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^2\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 36

約数和(自身を含む): 119549976

約数和(自身を除く): 41092245

約数列:

[1, 3, 11, 29, 33, 87, 121, 257, 319, 363, 771, 841, 957, 2523, 2827, 3509, 7453, 8481, 9251, 10527, 22359, 27753, 31097, 81983, 93291, 101761, 216137, 245949, 305283, 648411, 901813, 2377507, 2705439, 7132521, 26152577, 78457731]

約数ペア:

[(1, 78457731), (3, 26152577), (11, 7132521), (29, 2705439), (33, 2377507), (87, 901813), (121, 648411), (257, 305283), (319, 245949), (363, 216137), (771, 101761), (841, 93291), (957, 81983), (2523, 31097), (2827, 27753), (3509, 22359), (7453, 10527), (8481, 9251)]