1289331

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:132

約数の個数: 24

約数和(自身を含む): 2061360

約数和(自身を除く): 772029

約数列:

[1, 3, 9, 17, 27, 51, 53, 153, 159, 459, 477, 901, 1431, 2703, 2809, 8109, 8427, 24327, 25281, 47753, 75843, 143259, 429777, 1289331]

約数ペア:

[(1, 1289331), (3, 429777), (9, 143259), (17, 75843), (27, 47753), (51, 25281), (53, 24327), (153, 8427), (159, 8109), (459, 2809), (477, 2703), (901, 1431)]