31434711

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 53625600

約数和(自身を除く): 22190889

約数列:

[1, 3, 7, 11, 21, 33, 77, 89, 121, 139, 231, 267, 363, 417, 623, 847, 973, 979, 1529, 1869, 2541, 2919, 2937, 4587, 6853, 10703, 10769, 12371, 16819, 20559, 32109, 32307, 37113, 50457, 75383, 86597, 117733, 136081, 226149, 259791, 353199, 408243, 952567, 1496891, 2857701, 4490673, 10478237, 31434711]

約数ペア:

[(1, 31434711), (3, 10478237), (7, 4490673), (11, 2857701), (21, 1496891), (33, 952567), (77, 408243), (89, 353199), (121, 259791), (139, 226149), (231, 136081), (267, 117733), (363, 86597), (417, 75383), (623, 50457), (847, 37113), (973, 32307), (979, 32109), (1529, 20559), (1869, 16819), (2541, 12371), (2919, 10769), (2937, 10703), (4587, 6853)]