80979015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1579}}^1$

素因数の和:1863

約数の個数: 32

約数和(自身を含む): 140152320

約数和(自身を除く): 59173305

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 263, 789, 1315, 1579, 3419, 3945, 4737, 7895, 10257, 17095, 20527, 23685, 51285, 61581, 102635, 307905, 415277, 1245831, 2076385, 5398601, 6229155, 16195803, 26993005, 80979015]

約数ペア:

[(1, 80979015), (3, 26993005), (5, 16195803), (13, 6229155), (15, 5398601), (39, 2076385), (65, 1245831), (195, 415277), (263, 307905), (789, 102635), (1315, 61581), (1579, 51285), (3419, 23685), (3945, 20527), (4737, 17095), (7895, 10257)]