81209561

素因数分解:

${\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 93768192

約数和(自身を除く): 12558631

約数列:

[1, 17, 37, 41, 47, 67, 629, 697, 799, 1139, 1517, 1739, 1927, 2479, 2747, 3149, 25789, 29563, 32759, 42143, 46699, 53533, 71299, 101639, 116513, 129109, 1212083, 1727863, 1980721, 2194853, 4777033, 81209561]

約数ペア:

[(1, 81209561), (17, 4777033), (37, 2194853), (41, 1980721), (47, 1727863), (67, 1212083), (629, 129109), (697, 116513), (799, 101639), (1139, 71299), (1517, 53533), (1739, 46699), (1927, 42143), (2479, 32759), (2747, 29563), (3149, 25789)]