28753569

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{81919}}^1$

素因数の和:81941

約数の個数: 16

約数和(自身を含む): 45875200

約数和(自身を除く): 17121631

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 81919, 245757, 737271, 1064947, 2211813, 3194841, 9584523, 28753569]

約数ペア:

[(1, 28753569), (3, 9584523), (9, 3194841), (13, 2211813), (27, 1064947), (39, 737271), (117, 245757), (351, 81919)]