25781385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12923}}^1$

素因数の和:12957

約数の個数: 32

約数和(自身を含む): 49628160

約数和(自身を除く): 23846775

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 12923, 38769, 64615, 90461, 193845, 245537, 271383, 452305, 736611, 1227685, 1356915, 1718759, 3683055, 5156277, 8593795, 25781385]

約数ペア:

[(1, 25781385), (3, 8593795), (5, 5156277), (7, 3683055), (15, 1718759), (19, 1356915), (21, 1227685), (35, 736611), (57, 452305), (95, 271383), (105, 245537), (133, 193845), (285, 90461), (399, 64615), (665, 38769), (1995, 12923)]