260039073

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{651727}}^1$

素因数の和:651756

約数の個数: 16

約数和(自身を含む): 417105920

約数和(自身を除く): 157066847

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 651727, 1955181, 4562089, 12382813, 13686267, 37148439, 86679691, 260039073]

約数ペア:

[(1, 260039073), (3, 86679691), (7, 37148439), (19, 13686267), (21, 12382813), (57, 4562089), (133, 1955181), (399, 651727)]