217638909

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{1627}}^1$

素因数の和:1889

約数の個数: 24

約数和(自身を含む): 319999680

約数和(自身を除く): 102360771

約数列:

[1, 3, 9, 89, 167, 267, 501, 801, 1503, 1627, 4881, 14643, 14863, 44589, 133767, 144803, 271709, 434409, 815127, 1303227, 2445381, 24182101, 72546303, 217638909]

約数ペア:

[(1, 217638909), (3, 72546303), (9, 24182101), (89, 2445381), (167, 1303227), (267, 815127), (501, 434409), (801, 271709), (1503, 144803), (1627, 133767), (4881, 44589), (14643, 14863)]