221338317

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71147}}^1$

素因数の和:71228

約数の個数: 16

約数和(自身を含む): 317604672

約数和(自身を除く): 96266355

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 71147, 213441, 1209499, 3628497, 4339967, 13019901, 73779439, 221338317]

約数ペア:

[(1, 221338317), (3, 73779439), (17, 13019901), (51, 4339967), (61, 3628497), (183, 1209499), (1037, 213441), (3111, 71147)]