3121821

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 4848480

約数和(自身を除く): 1726659

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 443, 783, 1329, 2349, 3987, 7047, 11961, 12847, 35883, 38541, 107649, 115623, 346869, 1040607, 3121821]

約数ペア:

[(1, 3121821), (3, 1040607), (9, 346869), (27, 115623), (29, 107649), (81, 38541), (87, 35883), (243, 12847), (261, 11961), (443, 7047), (783, 3987), (1329, 2349)]