18009705

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 33981120

約数和(自身を除く): 15971415

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 107, 147, 229, 245, 321, 535, 687, 735, 749, 1145, 1603, 1605, 2247, 3435, 3745, 4809, 5243, 8015, 11221, 11235, 15729, 24045, 24503, 26215, 33663, 56105, 73509, 78645, 122515, 168315, 171521, 367545, 514563, 857605, 1200647, 2572815, 3601941, 6003235, 18009705]

約数ペア:

[(1, 18009705), (3, 6003235), (5, 3601941), (7, 2572815), (15, 1200647), (21, 857605), (35, 514563), (49, 367545), (105, 171521), (107, 168315), (147, 122515), (229, 78645), (245, 73509), (321, 56105), (535, 33663), (687, 26215), (735, 24503), (749, 24045), (1145, 15729), (1603, 11235), (1605, 11221), (2247, 8015), (3435, 5243), (3745, 4809)]