209324973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1193}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 328970880

約数和(自身を除く): 119645907

約数列:

[1, 3, 11, 13, 33, 39, 143, 409, 429, 1193, 1227, 3579, 4499, 5317, 13123, 13497, 15509, 15951, 39369, 46527, 58487, 170599, 175461, 487937, 511797, 1463811, 5367307, 6343181, 16101921, 19029543, 69774991, 209324973]

約数ペア:

[(1, 209324973), (3, 69774991), (11, 19029543), (13, 16101921), (33, 6343181), (39, 5367307), (143, 1463811), (409, 511797), (429, 487937), (1193, 175461), (1227, 170599), (3579, 58487), (4499, 46527), (5317, 39369), (13123, 15951), (13497, 15509)]