1991451

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 3414528

約数和(自身を除く): 1423077

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 233, 259, 407, 699, 777, 1221, 1631, 2563, 2849, 4893, 7689, 8547, 8621, 17941, 25863, 53823, 60347, 94831, 181041, 284493, 663817, 1991451]

約数ペア:

[(1, 1991451), (3, 663817), (7, 284493), (11, 181041), (21, 94831), (33, 60347), (37, 53823), (77, 25863), (111, 17941), (231, 8621), (233, 8547), (259, 7689), (407, 4893), (699, 2849), (777, 2563), (1221, 1631)]