720291321

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{52757}}^1$

素因数の和:52841

約数の個数: 24

約数和(自身を含む): 1094622984

約数和(自身を除く): 374331663

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1517, 4551, 13653, 52757, 158271, 474813, 1952009, 2163037, 5856027, 6489111, 17568081, 19467333, 80032369, 240097107, 720291321]

約数ペア:

[(1, 720291321), (3, 240097107), (9, 80032369), (37, 19467333), (41, 17568081), (111, 6489111), (123, 5856027), (333, 2163037), (369, 1952009), (1517, 474813), (4551, 158271), (13653, 52757)]