51698409

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 80640000

約数和(自身を除く): 28941591

約数列:

[1, 3, 7, 21, 89, 139, 199, 267, 417, 597, 623, 973, 1393, 1869, 2919, 4179, 12371, 17711, 27661, 37113, 53133, 82983, 86597, 123977, 193627, 259791, 371931, 580881, 2461829, 7385487, 17232803, 51698409]

約数ペア:

[(1, 51698409), (3, 17232803), (7, 7385487), (21, 2461829), (89, 580881), (139, 371931), (199, 259791), (267, 193627), (417, 123977), (597, 86597), (623, 82983), (973, 53133), (1393, 37113), (1869, 27661), (2919, 17711), (4179, 12371)]