66691515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{404191}}^1$

素因数の和:404210

約数の個数: 16

約数和(自身を含む): 116407296

約数和(自身を除く): 49715781

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 404191, 1212573, 2020955, 4446101, 6062865, 13338303, 22230505, 66691515]

約数ペア:

[(1, 66691515), (3, 22230505), (5, 13338303), (11, 6062865), (15, 4446101), (33, 2020955), (55, 1212573), (165, 404191)]