221464911

素因数分解:

$3^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1\times {\mathrm{907}}^1$

素因数の和:1518

約数の個数: 16

約数和(自身を含む): 297824000

約数和(自身を除く): 76359089

約数列:

[1, 3, 199, 409, 597, 907, 1227, 2721, 81391, 180493, 244173, 370963, 541479, 1112889, 73821637, 221464911]

約数ペア:

[(1, 221464911), (3, 73821637), (199, 1112889), (409, 541479), (597, 370963), (907, 244173), (1227, 180493), (2721, 81391)]