28730919

素因数分解:

$3^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1409}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 43856640

約数和(自身を除く): 15125721

約数列:

[1, 3, 7, 21, 971, 1409, 2913, 4227, 6797, 9863, 20391, 29589, 1368139, 4104417, 9576973, 28730919]

約数ペア:

[(1, 28730919), (3, 9576973), (7, 4104417), (21, 1368139), (971, 29589), (1409, 20391), (2913, 9863), (4227, 6797)]