81813774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{2027}}^1$

素因数の和:2101

約数の個数: 48

約数和(自身を含む): 193325184

約数和(自身を除く): 111511410

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 961, 1302, 1922, 2027, 2883, 4054, 5766, 6081, 6727, 12162, 13454, 14189, 20181, 28378, 40362, 42567, 62837, 85134, 125674, 188511, 377022, 439859, 879718, 1319577, 1947947, 2639154, 3895894, 5843841, 11687682, 13635629, 27271258, 40906887, 81813774]

約数ペア:

[(1, 81813774), (2, 40906887), (3, 27271258), (6, 13635629), (7, 11687682), (14, 5843841), (21, 3895894), (31, 2639154), (42, 1947947), (62, 1319577), (93, 879718), (186, 439859), (217, 377022), (434, 188511), (651, 125674), (961, 85134), (1302, 62837), (1922, 42567), (2027, 40362), (2883, 28378), (4054, 20181), (5766, 14189), (6081, 13454), (6727, 12162)]