31820817

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 50181120

約数和(自身を除く): 18360303

約数列:

[1, 3, 7, 21, 43, 129, 131, 269, 301, 393, 807, 903, 917, 1883, 2751, 5633, 5649, 11567, 16899, 34701, 35239, 39431, 80969, 105717, 118293, 242907, 246673, 740019, 1515277, 4545831, 10606939, 31820817]

約数ペア:

[(1, 31820817), (3, 10606939), (7, 4545831), (21, 1515277), (43, 740019), (129, 246673), (131, 242907), (269, 118293), (301, 105717), (393, 80969), (807, 39431), (903, 35239), (917, 34701), (1883, 16899), (2751, 11567), (5633, 5649)]