161844885

素因数分解:

$3^4\times 5^1\times {\mathrm{399617}}^1$

素因数の和:399634

約数の個数: 20

約数和(自身を含む): 290122668

約数和(自身を除く): 128277783

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 399617, 1198851, 1998085, 3596553, 5994255, 10789659, 17982765, 32368977, 53948295, 161844885]

約数ペア:

[(1, 161844885), (3, 53948295), (5, 32368977), (9, 17982765), (15, 10789659), (27, 5994255), (45, 3596553), (81, 1998085), (135, 1198851), (405, 399617)]