128570967

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2903}}^1$

素因数の和:2972

約数の個数: 48

約数和(自身を含む): 229532160

約数和(自身を除く): 100961193

約数列:

[1, 3, 7, 9, 19, 21, 37, 57, 63, 111, 133, 171, 259, 333, 399, 703, 777, 1197, 2109, 2331, 2903, 4921, 6327, 8709, 14763, 20321, 26127, 44289, 55157, 60963, 107411, 165471, 182889, 322233, 386099, 496413, 751877, 966699, 1158297, 2040809, 2255631, 3474891, 6122427, 6766893, 14285663, 18367281, 42856989, 128570967]

約数ペア:

[(1, 128570967), (3, 42856989), (7, 18367281), (9, 14285663), (19, 6766893), (21, 6122427), (37, 3474891), (57, 2255631), (63, 2040809), (111, 1158297), (133, 966699), (171, 751877), (259, 496413), (333, 386099), (399, 322233), (703, 182889), (777, 165471), (1197, 107411), (2109, 60963), (2331, 55157), (2903, 44289), (4921, 26127), (6327, 20321), (8709, 14763)]