16268721

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 25878528

約数和(自身を除く): 9609807

約数列:

[1, 3, 7, 21, 47, 53, 141, 159, 311, 329, 371, 933, 987, 1113, 2177, 2491, 6531, 7473, 14617, 16483, 17437, 43851, 49449, 52311, 102319, 115381, 306957, 346143, 774701, 2324103, 5422907, 16268721]

約数ペア:

[(1, 16268721), (3, 5422907), (7, 2324103), (21, 774701), (47, 346143), (53, 306957), (141, 115381), (159, 102319), (311, 52311), (329, 49449), (371, 43851), (933, 17437), (987, 16483), (1113, 14617), (2177, 7473), (2491, 6531)]