131469885

素因数分解:

$3^4\times 5^1\times {\mathrm{324617}}^1$

素因数の和:324634

約数の個数: 20

約数和(自身を含む): 235672668

約数和(自身を除く): 104202783

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 324617, 973851, 1623085, 2921553, 4869255, 8764659, 14607765, 26293977, 43823295, 131469885]

約数ペア:

[(1, 131469885), (3, 43823295), (5, 26293977), (9, 14607765), (15, 8764659), (27, 4869255), (45, 2921553), (81, 1623085), (135, 973851), (405, 324617)]