51815337

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7639}}^1$

素因数の和:7685

約数の個数: 32

約数和(自身を含む): 88012800

約数和(自身を除く): 36197463

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 6783, 7639, 22917, 53473, 129863, 145141, 160419, 389589, 435423, 909041, 1015987, 2467397, 2727123, 3047961, 7402191, 17271779, 51815337]

約数ペア:

[(1, 51815337), (3, 17271779), (7, 7402191), (17, 3047961), (19, 2727123), (21, 2467397), (51, 1015987), (57, 909041), (119, 435423), (133, 389589), (323, 160419), (357, 145141), (399, 129863), (969, 53473), (2261, 22917), (6783, 7639)]