12891939

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2069}}^1$

素因数の和:2170

約数の個数: 16

約数和(自身を含む): 18017280

約数和(自身を除く): 5125341

約数列:

[1, 3, 31, 67, 93, 201, 2069, 2077, 6207, 6231, 64139, 138623, 192417, 415869, 4297313, 12891939]

約数ペア:

[(1, 12891939), (3, 4297313), (31, 415869), (67, 192417), (93, 138623), (201, 64139), (2069, 6231), (2077, 6207)]