61278021

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51193}}^1$

素因数の和:51225

約数の個数: 24

約数和(自身を含む): 106483520

約数和(自身を除く): 45205499

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 51193, 153579, 358351, 460737, 972667, 1075053, 2918001, 3225159, 6808669, 8754003, 20426007, 61278021]

約数ペア:

[(1, 61278021), (3, 20426007), (7, 8754003), (9, 6808669), (19, 3225159), (21, 2918001), (57, 1075053), (63, 972667), (133, 460737), (171, 358351), (399, 153579), (1197, 51193)]