1221464019

素因数分解:

$3^1\times {\mathrm{211}}^1\times {\mathrm{643}}^1\times {\mathrm{3001}}^1$

素因数の和:3858

約数の個数: 16

約数和(自身を含む): 1639428224

約数和(自身を除く): 417964205

約数列:

[1, 3, 211, 633, 643, 1929, 3001, 9003, 135673, 407019, 633211, 1899633, 1929643, 5788929, 407154673, 1221464019]

約数ペア:

[(1, 1221464019), (3, 407154673), (211, 5788929), (633, 1929643), (643, 1899633), (1929, 633211), (3001, 407019), (9003, 135673)]