215979231

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{77999}}^1$

素因数の和:78086

約数の個数: 16

約数和(自身を含む): 314496000

約数和(自身を除く): 98516769

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 77999, 233997, 1013987, 3041961, 5537929, 16613787, 71993077, 215979231]

約数ペア:

[(1, 215979231), (3, 71993077), (13, 16613787), (39, 5537929), (71, 3041961), (213, 1013987), (923, 233997), (2769, 77999)]