9819621

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1973}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 16423680

約数和(自身を除く): 6604059

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 1973, 4977, 5919, 13811, 17757, 41433, 124299, 155867, 467601, 1091069, 1402803, 3273207, 9819621]

約数ペア:

[(1, 9819621), (3, 3273207), (7, 1402803), (9, 1091069), (21, 467601), (63, 155867), (79, 124299), (237, 41433), (553, 17757), (711, 13811), (1659, 5919), (1973, 4977)]