28831131

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{6269}}^1$

素因数の和:6355

約数の個数: 24

約数和(自身を含む): 48253920

約数和(自身を除く): 19422789

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 6269, 18807, 43883, 56421, 131649, 394947, 457637, 1372911, 3203459, 4118733, 9610377, 28831131]

約数ペア:

[(1, 28831131), (3, 9610377), (7, 4118733), (9, 3203459), (21, 1372911), (63, 457637), (73, 394947), (219, 131649), (511, 56421), (657, 43883), (1533, 18807), (4599, 6269)]