31780177

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 39481344

約数和(自身を除く): 7701167

約数列:

[1, 11, 13, 31, 67, 107, 143, 341, 403, 737, 871, 1177, 1391, 2077, 3317, 4433, 7169, 9581, 15301, 22847, 27001, 36487, 43121, 78859, 93197, 222239, 297011, 474331, 1025167, 2444629, 2889107, 31780177]

約数ペア:

[(1, 31780177), (11, 2889107), (13, 2444629), (31, 1025167), (67, 474331), (107, 297011), (143, 222239), (341, 93197), (403, 78859), (737, 43121), (871, 36487), (1177, 27001), (1391, 22847), (2077, 15301), (3317, 9581), (4433, 7169)]