16403553

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{3821}}^1$

素因数の和:3886

約数の個数: 20

約数和(自身を含む): 24972948

約数和(自身を除く): 8569395

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 3821, 4293, 11463, 34389, 103167, 202513, 309501, 607539, 1822617, 5467851, 16403553]

約数ペア:

[(1, 16403553), (3, 5467851), (9, 1822617), (27, 607539), (53, 309501), (81, 202513), (159, 103167), (477, 34389), (1431, 11463), (3821, 4293)]