144337221

素因数分解:

$3^4\times 7^1\times {\mathrm{277}}^1\times {\mathrm{919}}^1$

素因数の和:1215

約数の個数: 40

約数和(自身を含む): 247575680

約数和(自身を除く): 103238459

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 277, 567, 831, 919, 1939, 2493, 2757, 5817, 6433, 7479, 8271, 17451, 19299, 22437, 24813, 52353, 57897, 74439, 157059, 173691, 254563, 521073, 763689, 1781941, 2291067, 5345823, 6873201, 16037469, 20619603, 48112407, 144337221]

約数ペア:

[(1, 144337221), (3, 48112407), (7, 20619603), (9, 16037469), (21, 6873201), (27, 5345823), (63, 2291067), (81, 1781941), (189, 763689), (277, 521073), (567, 254563), (831, 173691), (919, 157059), (1939, 74439), (2493, 57897), (2757, 52353), (5817, 24813), (6433, 22437), (7479, 19299), (8271, 17451)]