78724515

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1319}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 132295680

約数和(自身を除く): 53571165

約数列:

[1, 3, 5, 15, 23, 69, 115, 173, 345, 519, 865, 1319, 2595, 3957, 3979, 6595, 11937, 19785, 19895, 30337, 59685, 91011, 151685, 228187, 455055, 684561, 1140935, 3422805, 5248301, 15744903, 26241505, 78724515]

約数ペア:

[(1, 78724515), (3, 26241505), (5, 15744903), (15, 5248301), (23, 3422805), (69, 1140935), (115, 684561), (173, 455055), (345, 228187), (519, 151685), (865, 91011), (1319, 59685), (2595, 30337), (3957, 19895), (3979, 19785), (6595, 11937)]