388338717

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{1409}}^1$

素因数の和:1653

約数の個数: 32

約数和(自身を含む): 576092160

約数和(自身を除く): 187753443

約数列:

[1, 3, 13, 37, 39, 111, 191, 481, 573, 1409, 1443, 2483, 4227, 7067, 7449, 18317, 21201, 52133, 54951, 91871, 156399, 269119, 275613, 677729, 807357, 2033187, 3498547, 9957403, 10495641, 29872209, 129446239, 388338717]

約数ペア:

[(1, 388338717), (3, 129446239), (13, 29872209), (37, 10495641), (39, 9957403), (111, 3498547), (191, 2033187), (481, 807357), (573, 677729), (1409, 275613), (1443, 269119), (2483, 156399), (4227, 91871), (7067, 54951), (7449, 52133), (18317, 21201)]