2108223

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 3375008

約数和(自身を除く): 1266785

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 487, 1443, 1461, 4329, 4383, 6331, 18019, 18993, 54057, 56979, 162171, 234247, 702741, 2108223]

約数ペア:

[(1, 2108223), (3, 702741), (9, 234247), (13, 162171), (37, 56979), (39, 54057), (111, 18993), (117, 18019), (333, 6331), (481, 4383), (487, 4329), (1443, 1461)]