187929

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 328640

約数和(自身を除く): 140711

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 157, 171, 399, 471, 1099, 1197, 1413, 2983, 3297, 8949, 9891, 20881, 26847, 62643, 187929]

約数ペア:

[(1, 187929), (3, 62643), (7, 26847), (9, 20881), (19, 9891), (21, 8949), (57, 3297), (63, 2983), (133, 1413), (157, 1197), (171, 1099), (399, 471)]