309281

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:160

約数の個数: 16

約数和(自身を含む): 393984

約数和(自身を除く): 84703

約数列:

[1, 7, 17, 23, 113, 119, 161, 391, 791, 1921, 2599, 2737, 13447, 18193, 44183, 309281]

約数ペア:

[(1, 309281), (7, 44183), (17, 18193), (23, 13447), (113, 2737), (119, 2599), (161, 1921), (391, 791)]