1320221289

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1\times {\mathrm{8837}}^1$

素因数の和:11480

約数の個数: 16

約数和(自身を含む): 1853858880

約数和(自身を除く): 533637591

約数列:

[1, 3, 19, 57, 2621, 7863, 8837, 26511, 49799, 149397, 167903, 503709, 23161777, 69485331, 440073763, 1320221289]

約数ペア:

[(1, 1320221289), (3, 440073763), (19, 69485331), (57, 23161777), (2621, 503709), (7863, 167903), (8837, 149397), (26511, 49799)]