27987757

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1327}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 33656832

約数和(自身を除く): 5669075

約数列:

[1, 7, 23, 131, 161, 917, 1327, 3013, 9289, 21091, 30521, 173837, 213647, 1216859, 3998251, 27987757]

約数ペア:

[(1, 27987757), (7, 3998251), (23, 1216859), (131, 213647), (161, 173837), (917, 30521), (1327, 21091), (3013, 9289)]