27812191

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{239}}^1$

素因数の和:470

約数の個数: 16

約数和(自身を含む): 31104000

約数和(自身を除く): 3291809

約数列:

[1, 11, 71, 149, 239, 781, 1639, 2629, 10579, 16969, 35611, 116369, 186659, 391721, 2528381, 27812191]

約数ペア:

[(1, 27812191), (11, 2528381), (71, 391721), (149, 186659), (239, 116369), (781, 35611), (1639, 16969), (2629, 10579)]