128427741

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21523}}^1$

素因数の和:21562

約数の個数: 32

約数和(自身を含む): 216961920

約数和(自身を除く): 88534179

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5967, 21523, 64569, 193707, 279799, 365891, 581121, 839397, 1097673, 2518191, 3293019, 4756583, 7554573, 9879057, 14269749, 42809247, 128427741]

約数ペア:

[(1, 128427741), (3, 42809247), (9, 14269749), (13, 9879057), (17, 7554573), (27, 4756583), (39, 3293019), (51, 2518191), (117, 1097673), (153, 839397), (221, 581121), (351, 365891), (459, 279799), (663, 193707), (1989, 64569), (5967, 21523)]