71565879

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^2\times {\mathrm{89}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 122376960

約数和(自身を除く): 50811081

約数列:

[1, 3, 7, 11, 21, 33, 59, 77, 89, 177, 231, 267, 413, 623, 649, 979, 1239, 1869, 1947, 2937, 3481, 4543, 5251, 6853, 10443, 13629, 15753, 20559, 24367, 36757, 38291, 57761, 73101, 110271, 114873, 173283, 268037, 309809, 404327, 804111, 929427, 1212981, 2168663, 3407899, 6505989, 10223697, 23855293, 71565879]

約数ペア:

[(1, 71565879), (3, 23855293), (7, 10223697), (11, 6505989), (21, 3407899), (33, 2168663), (59, 1212981), (77, 929427), (89, 804111), (177, 404327), (231, 309809), (267, 268037), (413, 173283), (623, 114873), (649, 110271), (979, 73101), (1239, 57761), (1869, 38291), (1947, 36757), (2937, 24367), (3481, 20559), (4543, 15753), (5251, 13629), (6853, 10443)]