56989491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2075

約数の個数: 32

約数和(自身を含む): 88704000

約数和(自身を除く): 31714509

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 1677, 1999, 2193, 5997, 9503, 25987, 28509, 33983, 77961, 85957, 101949, 257871, 441779, 1117441, 1325337, 1461269, 3352323, 4383807, 18996497, 56989491]

約数ペア:

[(1, 56989491), (3, 18996497), (13, 4383807), (17, 3352323), (39, 1461269), (43, 1325337), (51, 1117441), (129, 441779), (221, 257871), (559, 101949), (663, 85957), (731, 77961), (1677, 33983), (1999, 28509), (2193, 25987), (5997, 9503)]