16431021

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{173}}^2$

素因数の和:413

約数の個数: 18

約数和(自身を含む): 24263018

約数和(自身を除く): 7831997

約数列:

[1, 3, 9, 61, 173, 183, 519, 549, 1557, 10553, 29929, 31659, 89787, 94977, 269361, 1825669, 5477007, 16431021]

約数ペア:

[(1, 16431021), (3, 5477007), (9, 1825669), (61, 269361), (173, 94977), (183, 89787), (519, 31659), (549, 29929), (1557, 10553)]