66885885

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{617}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 131708160

約数和(自身を除く): 64822275

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 73, 99, 135, 165, 219, 297, 365, 495, 617, 657, 803, 1095, 1485, 1851, 1971, 2409, 3085, 3285, 4015, 5553, 6787, 7227, 9255, 9855, 12045, 16659, 20361, 21681, 27765, 33935, 36135, 45041, 61083, 83295, 101805, 108405, 135123, 183249, 225205, 305415, 405369, 495451, 675615, 916245, 1216107, 1486353, 2026845, 2477255, 4459059, 6080535, 7431765, 13377177, 22295295, 66885885]

約数ペア:

[(1, 66885885), (3, 22295295), (5, 13377177), (9, 7431765), (11, 6080535), (15, 4459059), (27, 2477255), (33, 2026845), (45, 1486353), (55, 1216107), (73, 916245), (99, 675615), (135, 495451), (165, 405369), (219, 305415), (297, 225205), (365, 183249), (495, 135123), (617, 108405), (657, 101805), (803, 83295), (1095, 61083), (1485, 45041), (1851, 36135), (1971, 33935), (2409, 27765), (3085, 21681), (3285, 20361), (4015, 16659), (5553, 12045), (6787, 9855), (7227, 9255)]