81112251

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{66431}}^1$

素因数の和:66482

約数の個数: 16

約数和(自身を含む): 121171968

約数和(自身を除く): 40059717

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 66431, 199293, 730741, 2192223, 2457947, 7373841, 27037417, 81112251]

約数ペア:

[(1, 81112251), (3, 27037417), (11, 7373841), (33, 2457947), (37, 2192223), (111, 730741), (407, 199293), (1221, 66431)]