28518147

素因数分解:

$3^2\times 7^2\times {\mathrm{64667}}^1$

素因数の和:64687

約数の個数: 18

約数和(自身を含む): 47918988

約数和(自身を除く): 19400841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64667, 194001, 452669, 582003, 1358007, 3168683, 4074021, 9506049, 28518147]

約数ペア:

[(1, 28518147), (3, 9506049), (7, 4074021), (9, 3168683), (21, 1358007), (49, 582003), (63, 452669), (147, 194001), (441, 64667)]