28563909

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{12919}}^1$

素因数の和:13000

約数の個数: 16

約数和(自身を含む): 42170880

約数和(自身を除く): 13606971

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 12919, 38757, 142109, 426327, 865573, 2596719, 9521303, 28563909]

約数ペア:

[(1, 28563909), (3, 9521303), (11, 2596719), (33, 865573), (67, 426327), (201, 142109), (737, 38757), (2211, 12919)]