13307721

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 21073920

約数和(自身を除く): 7766199

約数列:

[1, 3, 7, 21, 47, 97, 139, 141, 291, 329, 417, 679, 973, 987, 2037, 2919, 4559, 6533, 13483, 13677, 19599, 31913, 40449, 45731, 94381, 95739, 137193, 283143, 633701, 1901103, 4435907, 13307721]

約数ペア:

[(1, 13307721), (3, 4435907), (7, 1901103), (21, 633701), (47, 283143), (97, 137193), (139, 95739), (141, 94381), (291, 45731), (329, 40449), (417, 31913), (679, 19599), (973, 13677), (987, 13483), (2037, 6533), (2919, 4559)]