3989655

素因数分解:

$3^4\times 5^1\times {\mathrm{9851}}^1$

素因数の和:9868

約数の個数: 20

約数和(自身を含む): 7152552

約数和(自身を除く): 3162897

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9851, 29553, 49255, 88659, 147765, 265977, 443295, 797931, 1329885, 3989655]

約数ペア:

[(1, 3989655), (3, 1329885), (5, 797931), (9, 443295), (15, 265977), (27, 147765), (45, 88659), (81, 49255), (135, 29553), (405, 9851)]