18000243

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 27081600

約数和(自身を除く): 9081357

約数列:

[1, 3, 9, 31, 93, 149, 279, 433, 447, 1299, 1341, 3897, 4619, 13423, 13857, 40269, 41571, 64517, 120807, 193551, 580653, 2000027, 6000081, 18000243]

約数ペア:

[(1, 18000243), (3, 6000081), (9, 2000027), (31, 580653), (93, 193551), (149, 120807), (279, 64517), (433, 41571), (447, 40269), (1299, 13857), (1341, 13423), (3897, 4619)]