16881205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9948

約数の個数: 16

約数和(自身を含む): 22814208

約数和(自身を除く): 5933003

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 9901, 49505, 108911, 306931, 544555, 1534655, 3376241, 16881205]

約数ペア:

[(1, 16881205), (5, 3376241), (11, 1534655), (31, 544555), (55, 306931), (155, 108911), (341, 49505), (1705, 9901)]