28948437

素因数分解:

$3^2\times 7^1\times {\mathrm{607}}^1\times {\mathrm{757}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 47929856

約数和(自身を除く): 18981419

約数列:

[1, 3, 7, 9, 21, 63, 607, 757, 1821, 2271, 4249, 5299, 5463, 6813, 12747, 15897, 38241, 47691, 459499, 1378497, 3216493, 4135491, 9649479, 28948437]

約数ペア:

[(1, 28948437), (3, 9649479), (7, 4135491), (9, 3216493), (21, 1378497), (63, 459499), (607, 47691), (757, 38241), (1821, 15897), (2271, 12747), (4249, 6813), (5299, 5463)]