521137149

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{1087}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 789626880

約数和(自身を除く): 268489731

約数列:

[1, 3, 13, 19, 39, 57, 247, 647, 741, 1087, 1941, 3261, 8411, 12293, 14131, 20653, 25233, 36879, 42393, 61959, 159809, 268489, 479427, 703289, 805467, 2109867, 9142757, 13362491, 27428271, 40087473, 173712383, 521137149]

約数ペア:

[(1, 521137149), (3, 173712383), (13, 40087473), (19, 27428271), (39, 13362491), (57, 9142757), (247, 2109867), (647, 805467), (741, 703289), (1087, 479427), (1941, 268489), (3261, 159809), (8411, 61959), (12293, 42393), (14131, 36879), (20653, 25233)]