690217101

素因数分解:

$3^2\times 7^1\times {\mathrm{787}}^1\times {\mathrm{13921}}^1$

素因数の和:14721

約数の個数: 24

約数和(自身を含む): 1140935744

約数和(自身を除く): 450718643

約数列:

[1, 3, 7, 9, 21, 63, 787, 2361, 5509, 7083, 13921, 16527, 41763, 49581, 97447, 125289, 292341, 877023, 10955827, 32867481, 76690789, 98602443, 230072367, 690217101]

約数ペア:

[(1, 690217101), (3, 230072367), (7, 98602443), (9, 76690789), (21, 32867481), (63, 10955827), (787, 877023), (2361, 292341), (5509, 125289), (7083, 97447), (13921, 49581), (16527, 41763)]