28897137

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2089}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 44015400

約数和(自身を除く): 15118263

約数列:

[1, 3, 9, 29, 53, 87, 159, 261, 477, 1537, 2089, 4611, 6267, 13833, 18801, 60581, 110717, 181743, 332151, 545229, 996453, 3210793, 9632379, 28897137]

約数ペア:

[(1, 28897137), (3, 9632379), (9, 3210793), (29, 996453), (53, 545229), (87, 332151), (159, 181743), (261, 110717), (477, 60581), (1537, 18801), (2089, 13833), (4611, 6267)]