81378117

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{3001}}^1$

素因数の和:3161

約数の個数: 24

約数和(自身を含む): 123634368

約数和(自身を除く): 42256251

約数列:

[1, 3, 9, 23, 69, 131, 207, 393, 1179, 3001, 3013, 9003, 9039, 27009, 27117, 69023, 207069, 393131, 621207, 1179393, 3538179, 9042013, 27126039, 81378117]

約数ペア:

[(1, 81378117), (3, 27126039), (9, 9042013), (23, 3538179), (69, 1179393), (131, 621207), (207, 393131), (393, 207069), (1179, 69023), (3001, 27117), (3013, 27009), (9003, 9039)]