31247931

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{431}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 18103749

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 431, 507, 1293, 1859, 2197, 4741, 5577, 5603, 6591, 14223, 16809, 24167, 61633, 72501, 72839, 184899, 218517, 801229, 946907, 2403687, 2840721, 10415977, 31247931]

約数ペア:

[(1, 31247931), (3, 10415977), (11, 2840721), (13, 2403687), (33, 946907), (39, 801229), (143, 218517), (169, 184899), (429, 72839), (431, 72501), (507, 61633), (1293, 24167), (1859, 16809), (2197, 14223), (4741, 6591), (5577, 5603)]