28251741

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9029}}^1$

素因数の和:9188

約数の個数: 16

約数和(自身を含む): 43344000

約数和(自身を除く): 15092259

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 9029, 27087, 63203, 189609, 1345321, 4035963, 9417247, 28251741]

約数ペア:

[(1, 28251741), (3, 9417247), (7, 4035963), (21, 1345321), (149, 189609), (447, 63203), (1043, 27087), (3129, 9029)]