138022905

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{213989}}^1$

素因数の和:214040

約数の個数: 16

約数和(自身を含む): 225973440

約数和(自身を除く): 87950535

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 213989, 641967, 1069945, 3209835, 9201527, 27604581, 46007635, 138022905]

約数ペア:

[(1, 138022905), (3, 46007635), (5, 27604581), (15, 9201527), (43, 3209835), (129, 1069945), (215, 641967), (645, 213989)]