56720055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3943}}^1$

素因数の和:4095

約数の個数: 32

約数和(自身を含む): 104500224

約数和(自身を除く): 47780169

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 137, 411, 685, 959, 2055, 2877, 3943, 4795, 11829, 14385, 19715, 27601, 59145, 82803, 138005, 414015, 540191, 1620573, 2700955, 3781337, 8102865, 11344011, 18906685, 56720055]

約数ペア:

[(1, 56720055), (3, 18906685), (5, 11344011), (7, 8102865), (15, 3781337), (21, 2700955), (35, 1620573), (105, 540191), (137, 414015), (411, 138005), (685, 82803), (959, 59145), (2055, 27601), (2877, 19715), (3943, 14385), (4795, 11829)]