28687473

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{55921}}^1$

素因数の和:55949

約数の個数: 16

約数和(自身を含む): 44737600

約数和(自身を除く): 16050127

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 55921, 167763, 503289, 1062499, 1509867, 3187497, 9562491, 28687473]

約数ペア:

[(1, 28687473), (3, 9562491), (9, 3187497), (19, 1509867), (27, 1062499), (57, 503289), (171, 167763), (513, 55921)]