71847831

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1439}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 111974400

約数和(自身を除く): 40126569

約数列:

[1, 3, 11, 17, 33, 51, 89, 187, 267, 561, 979, 1439, 1513, 2937, 4317, 4539, 15829, 16643, 24463, 47487, 49929, 73389, 128071, 269093, 384213, 807279, 1408781, 2177207, 4226343, 6531621, 23949277, 71847831]

約数ペア:

[(1, 71847831), (3, 23949277), (11, 6531621), (17, 4226343), (33, 2177207), (51, 1408781), (89, 807279), (187, 384213), (267, 269093), (561, 128071), (979, 73389), (1439, 49929), (1513, 47487), (2937, 24463), (4317, 16643), (4539, 15829)]