17728851

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 10495149

約数列:

[1, 3, 7, 21, 41, 59, 123, 177, 287, 349, 413, 861, 1047, 1239, 2419, 2443, 7257, 7329, 14309, 16933, 20591, 42927, 50799, 61773, 100163, 144137, 300489, 432411, 844231, 2532693, 5909617, 17728851]

約数ペア:

[(1, 17728851), (3, 5909617), (7, 2532693), (21, 844231), (41, 432411), (59, 300489), (123, 144137), (177, 100163), (287, 61773), (349, 50799), (413, 42927), (861, 20591), (1047, 16933), (1239, 14309), (2419, 7329), (2443, 7257)]