25815231

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12979}}^1$

素因数の和:13015

約数の個数: 24

約数和(自身を含む): 42522480

約数和(自身を除く): 16707249

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 12979, 38937, 116811, 168727, 220643, 506181, 661929, 1518543, 1985787, 2868359, 8605077, 25815231]

約数ペア:

[(1, 25815231), (3, 8605077), (9, 2868359), (13, 1985787), (17, 1518543), (39, 661929), (51, 506181), (117, 220643), (153, 168727), (221, 116811), (663, 38937), (1989, 12979)]