247193709

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{405901}}^1$

素因数の和:405940

約数の個数: 16

約数和(自身を含む): 389665920

約数和(自身を除く): 142472211

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 405901, 1217703, 2841307, 8523921, 11771129, 35313387, 82397903, 247193709]

約数ペア:

[(1, 247193709), (3, 82397903), (7, 35313387), (21, 11771129), (29, 8523921), (87, 2841307), (203, 1217703), (609, 405901)]