71399307

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 114391552

約数和(自身を除く): 42992245

約数列:

[1, 3, 7, 21, 37, 43, 111, 129, 259, 301, 777, 903, 1591, 2137, 4773, 6411, 11137, 14959, 33411, 44877, 79069, 91891, 237207, 275673, 553483, 643237, 1660449, 1929711, 3399967, 10199901, 23799769, 71399307]

約数ペア:

[(1, 71399307), (3, 23799769), (7, 10199901), (21, 3399967), (37, 1929711), (43, 1660449), (111, 643237), (129, 553483), (259, 275673), (301, 237207), (777, 91891), (903, 79069), (1591, 44877), (2137, 33411), (4773, 14959), (6411, 11137)]