2155905

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2083}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 3901248

約数和(自身を除く): 1745343

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 2083, 6249, 10415, 18747, 31245, 47909, 93735, 143727, 239545, 431181, 718635, 2155905]

約数ペア:

[(1, 2155905), (3, 718635), (5, 431181), (9, 239545), (15, 143727), (23, 93735), (45, 47909), (69, 31245), (115, 18747), (207, 10415), (345, 6249), (1035, 2083)]