138319605

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71483}}^1$

素因数の和:71537

約数の個数: 24

約数和(自身を含む): 245333088

約数和(自身を除く): 107013483

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 71483, 214449, 357415, 643347, 1072245, 3073769, 3216735, 9221307, 15368845, 27663921, 46106535, 138319605]

約数ペア:

[(1, 138319605), (3, 46106535), (5, 27663921), (9, 15368845), (15, 9221307), (43, 3216735), (45, 3073769), (129, 1072245), (215, 643347), (387, 357415), (645, 214449), (1935, 71483)]