71178639

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{907}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 112621056

約数和(自身を除く): 41442417

約数列:

[1, 3, 7, 21, 37, 101, 111, 259, 303, 707, 777, 907, 2121, 2721, 3737, 6349, 11211, 19047, 26159, 33559, 78477, 91607, 100677, 234913, 274821, 641249, 704739, 1923747, 3389459, 10168377, 23726213, 71178639]

約数ペア:

[(1, 71178639), (3, 23726213), (7, 10168377), (21, 3389459), (37, 1923747), (101, 704739), (111, 641249), (259, 274821), (303, 234913), (707, 100677), (777, 91607), (907, 78477), (2121, 33559), (2721, 26159), (3737, 19047), (6349, 11211)]