28291053

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15137}}^1$

素因数の和:15236

約数の個数: 16

約数和(自身を含む): 43597440

約数和(自身を除く): 15306387

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 15137, 45411, 105959, 317877, 1347193, 4041579, 9430351, 28291053]

約数ペア:

[(1, 28291053), (3, 9430351), (7, 4041579), (21, 1347193), (89, 317877), (267, 105959), (623, 45411), (1869, 15137)]