217209363

素因数分解:

$3^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{13921}}^1$

素因数の和:14674

約数の個数: 16

約数和(自身を含む): 331454976

約数和(自身を除く): 114245613

約数列:

[1, 3, 7, 21, 743, 2229, 5201, 13921, 15603, 41763, 97447, 292341, 10343303, 31029909, 72403121, 217209363]

約数ペア:

[(1, 217209363), (3, 72403121), (7, 31029909), (21, 10343303), (743, 292341), (2229, 97447), (5201, 41763), (13921, 15603)]