28050867

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1567}}^1$

素因数の和:1609

約数の個数: 40

約数和(自身を含む): 47811456

約数和(自身を除く): 19760589

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 81, 117, 153, 221, 351, 459, 663, 1053, 1377, 1567, 1989, 4701, 5967, 14103, 17901, 20371, 26639, 42309, 61113, 79917, 126927, 183339, 239751, 346307, 550017, 719253, 1038921, 1650051, 2157759, 3116763, 9350289, 28050867]

約数ペア:

[(1, 28050867), (3, 9350289), (9, 3116763), (13, 2157759), (17, 1650051), (27, 1038921), (39, 719253), (51, 550017), (81, 346307), (117, 239751), (153, 183339), (221, 126927), (351, 79917), (459, 61113), (663, 42309), (1053, 26639), (1377, 20371), (1567, 17901), (1989, 14103), (4701, 5967)]