68017785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17923}}^1$

素因数の和:17965

約数の個数: 32

約数和(自身を含む): 123890688

約数和(自身を除く): 55872903

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 253, 345, 759, 1265, 3795, 17923, 53769, 89615, 197153, 268845, 412229, 591459, 985765, 1236687, 2061145, 2957295, 4534519, 6183435, 13603557, 22672595, 68017785]

約数ペア:

[(1, 68017785), (3, 22672595), (5, 13603557), (11, 6183435), (15, 4534519), (23, 2957295), (33, 2061145), (55, 1236687), (69, 985765), (115, 591459), (165, 412229), (253, 268845), (345, 197153), (759, 89615), (1265, 53769), (3795, 17923)]