16172289

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11161}}^1$

素因数の和:11197

約数の個数: 24

約数和(自身を含む): 27860352

約数和(自身を除く): 11688063

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 11161, 33483, 78127, 100449, 234381, 256703, 703143, 770109, 1796921, 2310327, 5390763, 16172289]

約数ペア:

[(1, 16172289), (3, 5390763), (7, 2310327), (9, 1796921), (21, 770109), (23, 703143), (63, 256703), (69, 234381), (161, 100449), (207, 78127), (483, 33483), (1449, 11161)]