17539011

素因数分解:

$3^6\times 7^2\times {\mathrm{491}}^1$

素因数の和:523

約数の個数: 42

約数和(自身を含む): 30652092

約数和(自身を除く): 13113081

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 491, 567, 729, 1323, 1473, 1701, 3437, 3969, 4419, 5103, 10311, 11907, 13257, 24059, 30933, 35721, 39771, 72177, 92799, 119313, 216531, 278397, 357939, 649593, 835191, 1948779, 2505573, 5846337, 17539011]

約数ペア:

[(1, 17539011), (3, 5846337), (7, 2505573), (9, 1948779), (21, 835191), (27, 649593), (49, 357939), (63, 278397), (81, 216531), (147, 119313), (189, 92799), (243, 72177), (441, 39771), (491, 35721), (567, 30933), (729, 24059), (1323, 13257), (1473, 11907), (1701, 10311), (3437, 5103), (3969, 4419)]