16929729

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4447}}^1$

素因数の和:4506

約数の個数: 20

約数和(自身を含む): 25833984

約数和(自身を除く): 8904255

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4447, 13341, 40023, 120069, 209009, 360207, 627027, 1881081, 5643243, 16929729]

約数ペア:

[(1, 16929729), (3, 5643243), (9, 1881081), (27, 627027), (47, 360207), (81, 209009), (141, 120069), (423, 40023), (1269, 13341), (3807, 4447)]