81064974

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{221489}}^1$

素因数の和:221555

約数の個数: 16

約数和(自身を含む): 164788560

約数和(自身を除く): 83723586

約数列:

[1, 2, 3, 6, 61, 122, 183, 366, 221489, 442978, 664467, 1328934, 13510829, 27021658, 40532487, 81064974]

約数ペア:

[(1, 81064974), (2, 40532487), (3, 27021658), (6, 13510829), (61, 1328934), (122, 664467), (183, 442978), (366, 221489)]