31361001

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1483}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 51287040

約数和(自身を除く): 19926039

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 1483, 3021, 4449, 7049, 10381, 21147, 28177, 31143, 78599, 84531, 197239, 235797, 550193, 591717, 1493381, 1650579, 4480143, 10453667, 31361001]

約数ペア:

[(1, 31361001), (3, 10453667), (7, 4480143), (19, 1650579), (21, 1493381), (53, 591717), (57, 550193), (133, 235797), (159, 197239), (371, 84531), (399, 78599), (1007, 31143), (1113, 28177), (1483, 21147), (3021, 10381), (4449, 7049)]