31821687

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{139}}^2$

素因数の和:348

約数の個数: 24

約数和(自身を含む): 48263280

約数和(自身を除く): 16441593

約数列:

[1, 3, 9, 27, 61, 139, 183, 417, 549, 1251, 1647, 3753, 8479, 19321, 25437, 57963, 76311, 173889, 228933, 521667, 1178581, 3535743, 10607229, 31821687]

約数ペア:

[(1, 31821687), (3, 10607229), (9, 3535743), (27, 1178581), (61, 521667), (139, 228933), (183, 173889), (417, 76311), (549, 57963), (1251, 25437), (1647, 19321), (3753, 8479)]