28015311

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 39639040

約数和(自身を除く): 11623729

約数列:

[1, 3, 23, 69, 127, 139, 381, 417, 529, 1587, 2921, 3197, 8763, 9591, 17653, 52959, 67183, 73531, 201549, 220593, 406019, 1218057, 9338437, 28015311]

約数ペア:

[(1, 28015311), (3, 9338437), (23, 1218057), (69, 406019), (127, 220593), (139, 201549), (381, 73531), (417, 67183), (529, 52959), (1587, 17653), (2921, 9591), (3197, 8763)]