66883887

素因数分解:

$3^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{659}}^1$

素因数の和:857

約数の個数: 40

約数和(自身を含む): 114998400

約数和(自身を除く): 48114513

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 179, 189, 537, 567, 659, 1253, 1611, 1977, 3759, 4613, 4833, 5931, 11277, 13839, 14499, 17793, 33831, 41517, 53379, 101493, 117961, 124551, 353883, 373653, 825727, 1061649, 2477181, 3184947, 7431543, 9554841, 22294629, 66883887]

約数ペア:

[(1, 66883887), (3, 22294629), (7, 9554841), (9, 7431543), (21, 3184947), (27, 2477181), (63, 1061649), (81, 825727), (179, 373653), (189, 353883), (537, 124551), (567, 117961), (659, 101493), (1253, 53379), (1611, 41517), (1977, 33831), (3759, 17793), (4613, 14499), (4833, 13839), (5931, 11277)]