28941921

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{56417}}^1$

素因数の和:56445

約数の個数: 16

約数和(自身を含む): 45134400

約数和(自身を除く): 16192479

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 56417, 169251, 507753, 1071923, 1523259, 3215769, 9647307, 28941921]

約数ペア:

[(1, 28941921), (3, 9647307), (9, 3215769), (19, 1523259), (27, 1071923), (57, 507753), (171, 169251), (513, 56417)]