31149729

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15661}}^1$

素因数の和:15697

約数の個数: 24

約数和(自身を含む): 51308712

約数和(自身を除く): 20158983

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 15661, 46983, 140949, 203593, 266237, 610779, 798711, 1832337, 2396133, 3461081, 10383243, 31149729]

約数ペア:

[(1, 31149729), (3, 10383243), (9, 3461081), (13, 2396133), (17, 1832337), (39, 798711), (51, 610779), (117, 266237), (153, 203593), (221, 140949), (663, 46983), (1989, 15661)]