661661

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 889728

約数和(自身を除く): 228067

約数列:

[1, 7, 11, 13, 77, 91, 143, 661, 1001, 4627, 7271, 8593, 50897, 60151, 94523, 661661]

約数ペア:

[(1, 661661), (7, 94523), (11, 60151), (13, 50897), (77, 8593), (91, 7271), (143, 4627), (661, 1001)]