18291225

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5189}}^1$

素因数の和:5249

約数の個数: 24

約数和(自身を含む): 30890880

約数和(自身を除く): 12599655

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5189, 15567, 25945, 77835, 129725, 243883, 389175, 731649, 1219415, 3658245, 6097075, 18291225]

約数ペア:

[(1, 18291225), (3, 6097075), (5, 3658245), (15, 1219415), (25, 731649), (47, 389175), (75, 243883), (141, 129725), (235, 77835), (705, 25945), (1175, 15567), (3525, 5189)]