3921201

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 6227520

約数和(自身を除く): 2306319

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 997, 1311, 2991, 3933, 8973, 18943, 22931, 56829, 68793, 170487, 206379, 435689, 1307067, 3921201]

約数ペア:

[(1, 3921201), (3, 1307067), (9, 435689), (19, 206379), (23, 170487), (57, 68793), (69, 56829), (171, 22931), (207, 18943), (437, 8973), (997, 3933), (1311, 2991)]