28726461

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{55997}}^1$

素因数の和:56025

約数の個数: 16

約数和(自身を含む): 44798400

約数和(自身を除く): 16071939

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 55997, 167991, 503973, 1063943, 1511919, 3191829, 9575487, 28726461]

約数ペア:

[(1, 28726461), (3, 9575487), (9, 3191829), (19, 1511919), (27, 1063943), (57, 503973), (171, 167991), (513, 55997)]