280050111

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{433}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 454970880

約数和(自身を除く): 174920769

約数列:

[1, 3, 9, 11, 33, 47, 99, 139, 141, 417, 423, 433, 517, 1251, 1299, 1529, 1551, 3897, 4587, 4653, 4763, 6533, 13761, 14289, 19599, 20351, 42867, 58797, 60187, 61053, 71863, 180561, 183159, 215589, 223861, 541683, 646767, 662057, 671583, 1986171, 2014749, 2828789, 5958513, 8486367, 25459101, 31116679, 93350037, 280050111]

約数ペア:

[(1, 280050111), (3, 93350037), (9, 31116679), (11, 25459101), (33, 8486367), (47, 5958513), (99, 2828789), (139, 2014749), (141, 1986171), (417, 671583), (423, 662057), (433, 646767), (517, 541683), (1251, 223861), (1299, 215589), (1529, 183159), (1551, 180561), (3897, 71863), (4587, 61053), (4653, 60187), (4763, 58797), (6533, 42867), (13761, 20351), (14289, 19599)]