28634787

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 42507504

約数和(自身を除く): 13872717

約数列:

[1, 3, 9, 53, 159, 173, 347, 477, 519, 1041, 1557, 3123, 9169, 18391, 27507, 55173, 60031, 82521, 165519, 180093, 540279, 3181643, 9544929, 28634787]

約数ペア:

[(1, 28634787), (3, 9544929), (9, 3181643), (53, 540279), (159, 180093), (173, 165519), (347, 82521), (477, 60031), (519, 55173), (1041, 27507), (1557, 18391), (3123, 9169)]