16400223

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15313}}^1$

素因数の和:15343

約数の個数: 24

約数和(自身を含む): 28667808

約数和(自身を除く): 12267585

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 15313, 45939, 107191, 137817, 260321, 321573, 780963, 964719, 1822247, 2342889, 5466741, 16400223]

約数ペア:

[(1, 16400223), (3, 5466741), (7, 2342889), (9, 1822247), (17, 964719), (21, 780963), (51, 321573), (63, 260321), (119, 137817), (153, 107191), (357, 45939), (1071, 15313)]