16729921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 19719224

約数和(自身を除く): 2989303

約数列:

[1, 13, 17, 61, 73, 221, 289, 793, 949, 1037, 1241, 3757, 4453, 13481, 16133, 17629, 21097, 57889, 75701, 229177, 274261, 984113, 1286917, 16729921]

約数ペア:

[(1, 16729921), (13, 1286917), (17, 984113), (61, 274261), (73, 229177), (221, 75701), (289, 57889), (793, 21097), (949, 17629), (1037, 16133), (1241, 13481), (3757, 4453)]