81117165

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{41281}}^1$

素因数の和:41420

約数の個数: 16

約数和(自身を含む): 130781376

約数和(自身を除く): 49664211

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 41281, 123843, 206405, 619215, 5407811, 16223433, 27039055, 81117165]

約数ペア:

[(1, 81117165), (3, 27039055), (5, 16223433), (15, 5407811), (131, 619215), (393, 206405), (655, 123843), (1965, 41281)]