2431221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 3911040

約数和(自身を除く): 1479819

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 193, 221, 247, 323, 579, 663, 741, 969, 2509, 3281, 3667, 4199, 7527, 9843, 11001, 12597, 42653, 47671, 62339, 127959, 143013, 187017, 810407, 2431221]

約数ペア:

[(1, 2431221), (3, 810407), (13, 187017), (17, 143013), (19, 127959), (39, 62339), (51, 47671), (57, 42653), (193, 12597), (221, 11001), (247, 9843), (323, 7527), (579, 4199), (663, 3667), (741, 3281), (969, 2509)]