805172481

素因数分解:

$3^9\times {\mathrm{19}}^1\times {\mathrm{2153}}^1$

素因数の和:2199

約数の個数: 40

約数和(自身を含む): 1271893920

約数和(自身を除く): 466721439

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 2153, 2187, 4617, 6459, 6561, 13851, 19377, 19683, 40907, 41553, 58131, 122721, 124659, 174393, 368163, 373977, 523179, 1104489, 1569537, 3313467, 4708611, 9940401, 14125833, 29821203, 42377499, 89463609, 268390827, 805172481]

約数ペア:

[(1, 805172481), (3, 268390827), (9, 89463609), (19, 42377499), (27, 29821203), (57, 14125833), (81, 9940401), (171, 4708611), (243, 3313467), (513, 1569537), (729, 1104489), (1539, 523179), (2153, 373977), (2187, 368163), (4617, 174393), (6459, 124659), (6561, 122721), (13851, 58131), (19377, 41553), (19683, 40907)]