1868385

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{431}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 3182976

約数和(自身を除く): 1314591

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 431, 867, 1293, 1445, 2155, 4335, 6465, 7327, 21981, 36635, 109905, 124559, 373677, 622795, 1868385]

約数ペア:

[(1, 1868385), (3, 622795), (5, 373677), (15, 124559), (17, 109905), (51, 36635), (85, 21981), (255, 7327), (289, 6465), (431, 4335), (867, 2155), (1293, 1445)]