66388581

素因数分解:

$3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3203}}^1$

素因数の和:3270

約数の個数: 36

約数和(自身を含む): 113959872

約数和(自身を除く): 47571291

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 141, 147, 329, 423, 441, 987, 2303, 2961, 3203, 6909, 9609, 20727, 22421, 28827, 67263, 150541, 156947, 201789, 451623, 470841, 1053787, 1354869, 1412523, 3161361, 7376509, 9484083, 22129527, 66388581]

約数ペア:

[(1, 66388581), (3, 22129527), (7, 9484083), (9, 7376509), (21, 3161361), (47, 1412523), (49, 1354869), (63, 1053787), (141, 470841), (147, 451623), (329, 201789), (423, 156947), (441, 150541), (987, 67263), (2303, 28827), (2961, 22421), (3203, 20727), (6909, 9609)]