57777681

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 85865472

約数和(自身を除く): 28087791

約数列:

[1, 3, 13, 39, 43, 129, 131, 263, 393, 559, 789, 1677, 1703, 3419, 5109, 5633, 10257, 11309, 16899, 33927, 34453, 73229, 103359, 147017, 219687, 441051, 447889, 1343667, 1481479, 4444437, 19259227, 57777681]

約数ペア:

[(1, 57777681), (3, 19259227), (13, 4444437), (39, 1481479), (43, 1343667), (129, 447889), (131, 441051), (263, 219687), (393, 147017), (559, 103359), (789, 73229), (1677, 34453), (1703, 33927), (3419, 16899), (5109, 11309), (5633, 10257)]