201966915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313127}}^1$

素因数の和:313178

約数の個数: 16

約数和(自身を含む): 330663168

約数和(自身を除く): 128696253

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 313127, 939381, 1565635, 4696905, 13464461, 40393383, 67322305, 201966915]

約数ペア:

[(1, 201966915), (3, 67322305), (5, 40393383), (15, 13464461), (43, 4696905), (129, 1565635), (215, 939381), (645, 313127)]