1270155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{293}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 2166192

約数和(自身を除く): 896037

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 293, 867, 879, 1445, 1465, 4335, 4395, 4981, 14943, 24905, 74715, 84677, 254031, 423385, 1270155]

約数ペア:

[(1, 1270155), (3, 423385), (5, 254031), (15, 84677), (17, 74715), (51, 24905), (85, 14943), (255, 4981), (289, 4395), (293, 4335), (867, 1465), (879, 1445)]