215135905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{8389}}^1$

素因数の和:8640

約数の個数: 16

約数和(自身を含む): 270627840

約数和(自身を除く): 55491935

約数列:

[1, 5, 23, 115, 223, 1115, 5129, 8389, 25645, 41945, 192947, 964735, 1870747, 9353735, 43027181, 215135905]

約数ペア:

[(1, 215135905), (5, 43027181), (23, 9353735), (115, 1870747), (223, 964735), (1115, 192947), (5129, 41945), (8389, 25645)]