207663351

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{3989}}^1$

素因数の和:4103

約数の個数: 32

約数和(自身を含む): 329925120

約数和(自身を除く): 122261769

約数列:

[1, 3, 7, 21, 37, 67, 111, 201, 259, 469, 777, 1407, 2479, 3989, 7437, 11967, 17353, 27923, 52059, 83769, 147593, 267263, 442779, 801789, 1033151, 1870841, 3099453, 5612523, 9888731, 29666193, 69221117, 207663351]

約数ペア:

[(1, 207663351), (3, 69221117), (7, 29666193), (21, 9888731), (37, 5612523), (67, 3099453), (111, 1870841), (201, 1033151), (259, 801789), (469, 442779), (777, 267263), (1407, 147593), (2479, 83769), (3989, 52059), (7437, 27923), (11967, 17353)]