320465979

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{613}}^1\times {\mathrm{2003}}^1$

素因数の和:2651

約数の個数: 24

約数和(自身を含む): 479877840

約数和(自身を除く): 159411861

約数列:

[1, 3, 9, 29, 87, 261, 613, 1839, 2003, 5517, 6009, 17777, 18027, 53331, 58087, 159993, 174261, 522783, 1227839, 3683517, 11050551, 35607331, 106821993, 320465979]

約数ペア:

[(1, 320465979), (3, 106821993), (9, 35607331), (29, 11050551), (87, 3683517), (261, 1227839), (613, 522783), (1839, 174261), (2003, 159993), (5517, 58087), (6009, 53331), (17777, 18027)]