31105767

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^2$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 55372032

約数和(自身を除く): 24266265

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 89, 119, 187, 231, 267, 357, 561, 623, 979, 1309, 1513, 1869, 2937, 3927, 4539, 6853, 7921, 10591, 16643, 20559, 23763, 31773, 49929, 55447, 87131, 116501, 134657, 166341, 261393, 349503, 403971, 609917, 942599, 1481227, 1829751, 2827797, 4443681, 10368589, 31105767]

約数ペア:

[(1, 31105767), (3, 10368589), (7, 4443681), (11, 2827797), (17, 1829751), (21, 1481227), (33, 942599), (51, 609917), (77, 403971), (89, 349503), (119, 261393), (187, 166341), (231, 134657), (267, 116501), (357, 87131), (561, 55447), (623, 49929), (979, 31773), (1309, 23763), (1513, 20559), (1869, 16643), (2937, 10591), (3927, 7921), (4539, 6853)]