27689319

素因数分解:

$3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2083}}^1$

素因数の和:2307

約数の個数: 24

約数和(自身を含む): 45948032

約数和(自身を除く): 18258713

約数列:

[1, 3, 7, 9, 21, 63, 211, 633, 1477, 1899, 2083, 4431, 6249, 13293, 14581, 18747, 43743, 131229, 439513, 1318539, 3076591, 3955617, 9229773, 27689319]

約数ペア:

[(1, 27689319), (3, 9229773), (7, 3955617), (9, 3076591), (21, 1318539), (63, 439513), (211, 131229), (633, 43743), (1477, 18747), (1899, 14581), (2083, 13293), (4431, 6249)]