397393911

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{5573}}^1$

素因数の和:5740

約数の個数: 32

約数和(自身を含む): 624288000

約数和(自身を除く): 226894089

約数列:

[1, 3, 9, 19, 27, 57, 139, 171, 417, 513, 1251, 2641, 3753, 5573, 7923, 16719, 23769, 50157, 71307, 105887, 150471, 317661, 774647, 952983, 2323941, 2858949, 6971823, 14718293, 20915469, 44154879, 132464637, 397393911]

約数ペア:

[(1, 397393911), (3, 132464637), (9, 44154879), (19, 20915469), (27, 14718293), (57, 6971823), (139, 2858949), (171, 2323941), (417, 952983), (513, 774647), (1251, 317661), (2641, 150471), (3753, 105887), (5573, 71307), (7923, 50157), (16719, 23769)]