28365813

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5059}}^1$

素因数の和:5161

約数の個数: 24

約数和(自身を含む): 47361600

約数和(自身を除く): 18995787

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5059, 5607, 15177, 35413, 45531, 106239, 318717, 450251, 1350753, 3151757, 4052259, 9455271, 28365813]

約数ペア:

[(1, 28365813), (3, 9455271), (7, 4052259), (9, 3151757), (21, 1350753), (63, 450251), (89, 318717), (267, 106239), (623, 45531), (801, 35413), (1869, 15177), (5059, 5607)]