331389393

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{499}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 476160000

約数和(自身を除く): 144770607

約数列:

[1, 3, 19, 57, 61, 183, 191, 499, 573, 1159, 1497, 3477, 3629, 9481, 10887, 11651, 28443, 30439, 34953, 91317, 95309, 221369, 285927, 578341, 664107, 1735023, 1810871, 5432613, 5813849, 17441547, 110463131, 331389393]

約数ペア:

[(1, 331389393), (3, 110463131), (19, 17441547), (57, 5813849), (61, 5432613), (183, 1810871), (191, 1735023), (499, 664107), (573, 578341), (1159, 285927), (1497, 221369), (3477, 95309), (3629, 91317), (9481, 34953), (10887, 30439), (11651, 28443)]