51721929

素因数分解:

$3^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{967}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 87971840

約数和(自身を除く): 36249911

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 283, 849, 967, 1981, 2547, 2901, 5943, 6769, 7641, 8703, 17829, 20307, 26109, 53487, 60921, 182763, 273661, 820983, 1915627, 2462949, 5746881, 7388847, 17240643, 51721929]

約数ペア:

[(1, 51721929), (3, 17240643), (7, 7388847), (9, 5746881), (21, 2462949), (27, 1915627), (63, 820983), (189, 273661), (283, 182763), (849, 60921), (967, 53487), (1981, 26109), (2547, 20307), (2901, 17829), (5943, 8703), (6769, 7641)]