31931229

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 49397760

約数和(自身を除く): 17466531

約数列:

[1, 3, 11, 19, 33, 57, 127, 209, 381, 401, 627, 1203, 1397, 2413, 4191, 4411, 7239, 7619, 13233, 22857, 26543, 50927, 79629, 83809, 152781, 251427, 560197, 967613, 1680591, 2902839, 10643743, 31931229]

約数ペア:

[(1, 31931229), (3, 10643743), (11, 2902839), (19, 1680591), (33, 967613), (57, 560197), (127, 251427), (209, 152781), (381, 83809), (401, 79629), (627, 50927), (1203, 26543), (1397, 22857), (2413, 13233), (4191, 7619), (4411, 7239)]