2661915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4127}}^1$

素因数の和:4178

約数の個数: 16

約数和(自身を含む): 4359168

約数和(自身を除く): 1697253

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 4127, 12381, 20635, 61905, 177461, 532383, 887305, 2661915]

約数ペア:

[(1, 2661915), (3, 887305), (5, 532383), (15, 177461), (43, 61905), (129, 20635), (215, 12381), (645, 4127)]