71072967

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 120121344

約数和(自身を除く): 49048377

約数列:

[1, 3, 7, 21, 23, 37, 41, 69, 97, 111, 123, 161, 259, 287, 291, 483, 679, 777, 851, 861, 943, 1517, 2037, 2231, 2553, 2829, 3589, 3977, 4551, 5957, 6601, 6693, 10619, 10767, 11931, 15617, 17871, 19803, 25123, 27839, 31857, 34891, 46851, 75369, 82547, 83517, 91471, 104673, 147149, 244237, 247641, 274413, 441447, 577829, 640297, 732711, 1030043, 1733487, 1920891, 3090129, 3384427, 10153281, 23690989, 71072967]

約数ペア:

[(1, 71072967), (3, 23690989), (7, 10153281), (21, 3384427), (23, 3090129), (37, 1920891), (41, 1733487), (69, 1030043), (97, 732711), (111, 640297), (123, 577829), (161, 441447), (259, 274413), (287, 247641), (291, 244237), (483, 147149), (679, 104673), (777, 91471), (851, 83517), (861, 82547), (943, 75369), (1517, 46851), (2037, 34891), (2231, 31857), (2553, 27839), (2829, 25123), (3589, 19803), (3977, 17871), (4551, 15617), (5957, 11931), (6601, 10767), (6693, 10619)]