28023315

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1963

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 19876845

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 1889, 2967, 4945, 5667, 9445, 14835, 28335, 43447, 81227, 130341, 217235, 243681, 406135, 651705, 1218405, 1868221, 5604663, 9341105, 28023315]

約数ペア:

[(1, 28023315), (3, 9341105), (5, 5604663), (15, 1868221), (23, 1218405), (43, 651705), (69, 406135), (115, 243681), (129, 217235), (215, 130341), (345, 81227), (645, 43447), (989, 28335), (1889, 14835), (2967, 9445), (4945, 5667)]