180281521

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{18979}}^1$

素因数の和:19068

約数の個数: 16

約数和(自身を含む): 218649600

約数和(自身を除く): 38368079

約数列:

[1, 7, 23, 59, 161, 413, 1357, 9499, 18979, 132853, 436517, 1119761, 3055619, 7838327, 25754503, 180281521]

約数ペア:

[(1, 180281521), (7, 25754503), (23, 7838327), (59, 3055619), (161, 1119761), (413, 436517), (1357, 132853), (9499, 18979)]