25361739

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 42928704

約数和(自身を除く): 17566965

約数列:

[1, 3, 9, 13, 17, 39, 41, 51, 117, 123, 153, 221, 311, 369, 533, 663, 697, 933, 1599, 1989, 2091, 2799, 4043, 4797, 5287, 6273, 9061, 12129, 12751, 15861, 27183, 36387, 38253, 47583, 68731, 81549, 114759, 165763, 206193, 216767, 497289, 618579, 650301, 1491867, 1950903, 2817971, 8453913, 25361739]

約数ペア:

[(1, 25361739), (3, 8453913), (9, 2817971), (13, 1950903), (17, 1491867), (39, 650301), (41, 618579), (51, 497289), (117, 216767), (123, 206193), (153, 165763), (221, 114759), (311, 81549), (369, 68731), (533, 47583), (663, 38253), (697, 36387), (933, 27183), (1599, 15861), (1989, 12751), (2091, 12129), (2799, 9061), (4043, 6273), (4797, 5287)]