28724463

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{6691}}^1$

素因数の和:6756

約数の個数: 20

約数和(自身を含む): 43725528

約数和(自身を除く): 15001065

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 6691, 20073, 60219, 180657, 354623, 541971, 1063869, 3191607, 9574821, 28724463]

約数ペア:

[(1, 28724463), (3, 9574821), (9, 3191607), (27, 1063869), (53, 541971), (81, 354623), (159, 180657), (477, 60219), (1431, 20073), (4293, 6691)]