257193765

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{112067}}^1$

素因数の和:112098

約数の個数: 32

約数和(自身を含む): 484133760

約数和(自身を除く): 226939995

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 112067, 336201, 560335, 1008603, 1681005, 1905139, 3025809, 5043015, 5715417, 9525695, 15129045, 17146251, 28577085, 51438753, 85731255, 257193765]

約数ペア:

[(1, 257193765), (3, 85731255), (5, 51438753), (9, 28577085), (15, 17146251), (17, 15129045), (27, 9525695), (45, 5715417), (51, 5043015), (85, 3025809), (135, 1905139), (153, 1681005), (255, 1008603), (459, 560335), (765, 336201), (2295, 112067)]