16854885

素因数分解:

$3^4\times 5^1\times {\mathrm{41617}}^1$

素因数の和:41634

約数の個数: 20

約数和(自身を含む): 30214668

約数和(自身を除く): 13359783

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 41617, 124851, 208085, 374553, 624255, 1123659, 1872765, 3370977, 5618295, 16854885]

約数ペア:

[(1, 16854885), (3, 5618295), (5, 3370977), (9, 1872765), (15, 1123659), (27, 624255), (45, 374553), (81, 208085), (135, 124851), (405, 41617)]