38706147

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 59281920

約数和(自身を除く): 20575773

約数列:

[1, 3, 9, 27, 61, 71, 183, 213, 331, 549, 639, 993, 1647, 1917, 2979, 4331, 8937, 12993, 20191, 23501, 38979, 60573, 70503, 116937, 181719, 211509, 545157, 634527, 1433561, 4300683, 12902049, 38706147]

約数ペア:

[(1, 38706147), (3, 12902049), (9, 4300683), (27, 1433561), (61, 634527), (71, 545157), (183, 211509), (213, 181719), (331, 116937), (549, 70503), (639, 60573), (993, 38979), (1647, 23501), (1917, 20191), (2979, 12993), (4331, 8937)]