218368539

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{67211}}^1$

素因数の和:67255

約数の個数: 18

約数和(自身を含む): 332901036

約数和(自身を除く): 114532497

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 67211, 201633, 604899, 1277009, 3831027, 11493081, 24263171, 72789513, 218368539]

約数ペア:

[(1, 218368539), (3, 72789513), (9, 24263171), (19, 11493081), (57, 3831027), (171, 1277009), (361, 604899), (1083, 201633), (3249, 67211)]