2656251

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 4202016

約数和(自身を除く): 1545765

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 311, 657, 933, 949, 2799, 2847, 4043, 8541, 12129, 22703, 36387, 68109, 204327, 295139, 885417, 2656251]

約数ペア:

[(1, 2656251), (3, 885417), (9, 295139), (13, 204327), (39, 68109), (73, 36387), (117, 22703), (219, 12129), (311, 8541), (657, 4043), (933, 2847), (949, 2799)]