16904745

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 35852544

約数和(自身を除く): 18947799

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 37, 39, 45, 55, 65, 71, 99, 111, 117, 143, 165, 185, 195, 213, 333, 355, 407, 429, 481, 495, 555, 585, 639, 715, 781, 923, 1065, 1221, 1287, 1443, 1665, 2035, 2145, 2343, 2405, 2627, 2769, 3195, 3663, 3905, 4329, 4615, 5291, 6105, 6435, 7029, 7215, 7881, 8307, 10153, 11715, 13135, 13845, 15873, 18315, 21645, 23643, 26455, 28897, 30459, 34151, 35145, 39405, 41535, 47619, 50765, 79365, 86691, 91377, 102453, 118215, 144485, 152295, 170755, 238095, 260073, 307359, 375661, 433455, 456885, 512265, 1126983, 1300365, 1536795, 1878305, 3380949, 5634915, 16904745]

約数ペア:

[(1, 16904745), (3, 5634915), (5, 3380949), (9, 1878305), (11, 1536795), (13, 1300365), (15, 1126983), (33, 512265), (37, 456885), (39, 433455), (45, 375661), (55, 307359), (65, 260073), (71, 238095), (99, 170755), (111, 152295), (117, 144485), (143, 118215), (165, 102453), (185, 91377), (195, 86691), (213, 79365), (333, 50765), (355, 47619), (407, 41535), (429, 39405), (481, 35145), (495, 34151), (555, 30459), (585, 28897), (639, 26455), (715, 23643), (781, 21645), (923, 18315), (1065, 15873), (1221, 13845), (1287, 13135), (1443, 11715), (1665, 10153), (2035, 8307), (2145, 7881), (2343, 7215), (2405, 7029), (2627, 6435), (2769, 6105), (3195, 5291), (3663, 4615), (3905, 4329)]