25317981

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4243}}^1$

素因数の和:4282

約数の個数: 32

約数和(自身を含む): 42779520

約数和(自身を除く): 17461539

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 4243, 5967, 12729, 38187, 55159, 72131, 114561, 165477, 216393, 496431, 649179, 937703, 1489293, 1947537, 2813109, 8439327, 25317981]

約数ペア:

[(1, 25317981), (3, 8439327), (9, 2813109), (13, 1947537), (17, 1489293), (27, 937703), (39, 649179), (51, 496431), (117, 216393), (153, 165477), (221, 114561), (351, 72131), (459, 55159), (663, 38187), (1989, 12729), (4243, 5967)]