66888045

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1971

約数の個数: 64

約数和(自身を含む): 139645440

約数和(自身を除く): 72757395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 37, 45, 63, 105, 111, 135, 185, 189, 259, 315, 333, 555, 777, 945, 999, 1295, 1665, 1913, 2331, 3885, 4995, 5739, 6993, 9565, 11655, 13391, 17217, 28695, 34965, 40173, 51651, 66955, 70781, 86085, 120519, 200865, 212343, 258255, 353905, 361557, 495467, 602595, 637029, 1061715, 1486401, 1807785, 1911087, 2477335, 3185145, 4459203, 7432005, 9555435, 13377609, 22296015, 66888045]

約数ペア:

[(1, 66888045), (3, 22296015), (5, 13377609), (7, 9555435), (9, 7432005), (15, 4459203), (21, 3185145), (27, 2477335), (35, 1911087), (37, 1807785), (45, 1486401), (63, 1061715), (105, 637029), (111, 602595), (135, 495467), (185, 361557), (189, 353905), (259, 258255), (315, 212343), (333, 200865), (555, 120519), (777, 86085), (945, 70781), (999, 66955), (1295, 51651), (1665, 40173), (1913, 34965), (2331, 28695), (3885, 17217), (4995, 13391), (5739, 11655), (6993, 9565)]