87197761

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{17471}}^1$

素因数の和:17532

約数の個数: 16

約数和(自身を含む): 107347968

約数和(自身を除く): 20150207

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 17471, 122297, 401833, 541601, 2812831, 3791207, 12456823, 87197761]

約数ペア:

[(1, 87197761), (7, 12456823), (23, 3791207), (31, 2812831), (161, 541601), (217, 401833), (713, 122297), (4991, 17471)]