320265

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{647}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 606528

約数和(自身を除く): 286263

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 647, 1941, 3235, 5823, 7117, 9705, 21351, 29115, 35585, 64053, 106755, 320265]

約数ペア:

[(1, 320265), (3, 106755), (5, 64053), (9, 35585), (11, 29115), (15, 21351), (33, 9705), (45, 7117), (55, 5823), (99, 3235), (165, 1941), (495, 647)]