28667205

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13001}}^1$

素因数の和:13026

約数の個数: 36

約数和(自身を含む): 57806892

約数和(自身を除く): 29139687

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 13001, 39003, 65005, 91007, 117009, 195015, 273021, 455035, 585045, 637049, 819063, 1365105, 1911147, 3185245, 4095315, 5733441, 9555735, 28667205]

約数ペア:

[(1, 28667205), (3, 9555735), (5, 5733441), (7, 4095315), (9, 3185245), (15, 1911147), (21, 1365105), (35, 819063), (45, 637049), (49, 585045), (63, 455035), (105, 273021), (147, 195015), (245, 117009), (315, 91007), (441, 65005), (735, 39003), (2205, 13001)]