20130429

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12979}}^1$

素因数の和:13040

約数の個数: 16

約数和(自身を含む): 29905920

約数和(自身を除く): 9775491

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 12979, 38937, 142769, 428307, 610013, 1830039, 6710143, 20130429]

約数ペア:

[(1, 20130429), (3, 6710143), (11, 1830039), (33, 610013), (47, 428307), (141, 142769), (517, 38937), (1551, 12979)]