53978553

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{20753}}^1$

素因数の和:20793

約数の個数: 18

約数和(自身を含む): 82829214

約数和(自身を除く): 28850661

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 20753, 62259, 186777, 352801, 1058403, 3175209, 5997617, 17992851, 53978553]

約数ペア:

[(1, 53978553), (3, 17992851), (9, 5997617), (17, 3175209), (51, 1058403), (153, 352801), (289, 186777), (867, 62259), (2601, 20753)]