17969745

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 11890095

約数列:

[1, 3, 5, 15, 47, 71, 141, 213, 235, 355, 359, 705, 1065, 1077, 1795, 3337, 5385, 10011, 16685, 16873, 25489, 50055, 50619, 76467, 84365, 127445, 253095, 382335, 1197983, 3593949, 5989915, 17969745]

約数ペア:

[(1, 17969745), (3, 5989915), (5, 3593949), (15, 1197983), (47, 382335), (71, 253095), (141, 127445), (213, 84365), (235, 76467), (355, 50619), (359, 50055), (705, 25489), (1065, 16873), (1077, 16685), (1795, 10011), (3337, 5385)]