65720805

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1405

約数の個数: 32

約数和(自身を含む): 108946944

約数和(自身を除く): 43226139

約数列:

[1, 3, 5, 15, 47, 73, 141, 219, 235, 365, 705, 1095, 1277, 3431, 3831, 6385, 10293, 17155, 19155, 51465, 60019, 93221, 180057, 279663, 300095, 466105, 900285, 1398315, 4381387, 13144161, 21906935, 65720805]

約数ペア:

[(1, 65720805), (3, 21906935), (5, 13144161), (15, 4381387), (47, 1398315), (73, 900285), (141, 466105), (219, 300095), (235, 279663), (365, 180057), (705, 93221), (1095, 60019), (1277, 51465), (3431, 19155), (3831, 17155), (6385, 10293)]