71287419

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3989}}^1$

素因数の和:4059

約数の個数: 32

約数和(自身を含む): 116444160

約数和(自身を除く): 45156741

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 2553, 3989, 5957, 11967, 17871, 27923, 83769, 91747, 147593, 275241, 442779, 642229, 1033151, 1926687, 3099453, 3394639, 10183917, 23762473, 71287419]

約数ペア:

[(1, 71287419), (3, 23762473), (7, 10183917), (21, 3394639), (23, 3099453), (37, 1926687), (69, 1033151), (111, 642229), (161, 442779), (259, 275241), (483, 147593), (777, 91747), (851, 83769), (2553, 27923), (3989, 17871), (5957, 11967)]