138971715

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{197123}}^1$

素因数の和:197178

約数の個数: 16

約数和(自身を含む): 227086848

約数和(自身を除く): 88115133

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 197123, 591369, 985615, 2956845, 9264781, 27794343, 46323905, 138971715]

約数ペア:

[(1, 138971715), (3, 46323905), (5, 27794343), (15, 9264781), (47, 2956845), (141, 985615), (235, 591369), (705, 197123)]