199804779

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{389483}}^1$

素因数の和:389511

約数の個数: 16

約数和(自身を含む): 311587200

約数和(自身を除く): 111782421

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 389483, 1168449, 3505347, 7400177, 10516041, 22200531, 66601593, 199804779]

約数ペア:

[(1, 199804779), (3, 66601593), (9, 22200531), (19, 10516041), (27, 7400177), (57, 3505347), (171, 1168449), (513, 389483)]