816882921

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{414451}}^1$

素因数の和:414533

約数の個数: 16

約数和(自身を含む): 1226777920

約数和(自身を除く): 409894999

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 414451, 1243353, 3730059, 11190177, 30254923, 90764769, 272294307, 816882921]

約数ペア:

[(1, 816882921), (3, 272294307), (9, 90764769), (27, 30254923), (73, 11190177), (219, 3730059), (657, 1243353), (1971, 414451)]