27820731

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21221}}^1$

素因数の和:21266

約数の個数: 16

約数和(自身を含む): 40746240

約数和(自身を除く): 12925509

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 21221, 63663, 403199, 488083, 1209597, 1464249, 9273577, 27820731]

約数ペア:

[(1, 27820731), (3, 9273577), (19, 1464249), (23, 1209597), (57, 488083), (69, 403199), (437, 63663), (1311, 21221)]