68128737

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 100715520

約数和(自身を除く): 32586783

約数列:

[1, 3, 19, 23, 57, 69, 157, 331, 437, 471, 993, 1311, 2983, 3611, 6289, 7613, 8949, 10833, 18867, 22839, 51967, 68609, 144647, 155901, 205827, 433941, 987373, 1195241, 2962119, 3585723, 22709579, 68128737]

約数ペア:

[(1, 68128737), (3, 22709579), (19, 3585723), (23, 2962119), (57, 1195241), (69, 987373), (157, 433941), (331, 205827), (437, 155901), (471, 144647), (993, 68609), (1311, 51967), (2983, 22839), (3611, 18867), (6289, 10833), (7613, 8949)]