28757091

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{18541}}^1$

素因数の和:18602

約数の個数: 16

約数和(自身を含む): 42720768

約数和(自身を除く): 13963677

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 18541, 55623, 203951, 611853, 871427, 2614281, 9585697, 28757091]

約数ペア:

[(1, 28757091), (3, 9585697), (11, 2614281), (33, 871427), (47, 611853), (141, 203951), (517, 55623), (1551, 18541)]