28204227

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{54979}}^1$

素因数の和:55007

約数の個数: 16

約数和(自身を含む): 43984000

約数和(自身を除く): 15779773

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 54979, 164937, 494811, 1044601, 1484433, 3133803, 9401409, 28204227]

約数ペア:

[(1, 28204227), (3, 9401409), (9, 3133803), (19, 1484433), (27, 1044601), (57, 494811), (171, 164937), (513, 54979)]