51229641

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 72990720

約数和(自身を除く): 21761079

約数列:

[1, 3, 43, 53, 59, 127, 129, 159, 177, 381, 2279, 2537, 3127, 5461, 6731, 6837, 7493, 7611, 9381, 16383, 20193, 22479, 134461, 289433, 322199, 397129, 403383, 868299, 966597, 1191387, 17076547, 51229641]

約数ペア:

[(1, 51229641), (3, 17076547), (43, 1191387), (53, 966597), (59, 868299), (127, 403383), (129, 397129), (159, 322199), (177, 289433), (381, 134461), (2279, 22479), (2537, 20193), (3127, 16383), (5461, 9381), (6731, 7611), (6837, 7493)]