27139721

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:560

約数の個数: 16

約数和(自身を含む): 31726464

約数和(自身を除く): 4586743

約数列:

[1, 7, 73, 173, 307, 511, 1211, 2149, 12629, 22411, 53111, 88403, 156877, 371777, 3877103, 27139721]

約数ペア:

[(1, 27139721), (7, 3877103), (73, 371777), (173, 156877), (307, 88403), (511, 53111), (1211, 22411), (2149, 12629)]