205122489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3209}}^1$

素因数の和:3385

約数の個数: 32

約数和(自身を含む): 323568000

約数和(自身を除く): 118445511

約数列:

[1, 3, 11, 13, 33, 39, 143, 149, 429, 447, 1639, 1937, 3209, 4917, 5811, 9627, 21307, 35299, 41717, 63921, 105897, 125151, 458887, 478141, 1376661, 1434423, 5259551, 6215833, 15778653, 18647499, 68374163, 205122489]

約数ペア:

[(1, 205122489), (3, 68374163), (11, 18647499), (13, 15778653), (33, 6215833), (39, 5259551), (143, 1434423), (149, 1376661), (429, 478141), (447, 458887), (1639, 125151), (1937, 105897), (3209, 63921), (4917, 41717), (5811, 35299), (9627, 21307)]