28540161

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4783}}^1$

素因数の和:4822

約数の個数: 32

約数和(自身を含む): 48222720

約数和(自身を除く): 19682559

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 4783, 5967, 14349, 43047, 62179, 81311, 129141, 186537, 243933, 559611, 731799, 1057043, 1678833, 2195397, 3171129, 9513387, 28540161]

約数ペア:

[(1, 28540161), (3, 9513387), (9, 3171129), (13, 2195397), (17, 1678833), (27, 1057043), (39, 731799), (51, 559611), (117, 243933), (153, 186537), (221, 129141), (351, 81311), (459, 62179), (663, 43047), (1989, 14349), (4783, 5967)]