28500219

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{26171}}^1$

素因数の和:26199

約数の個数: 18

約数和(自身を含む): 45251388

約数和(自身を除く): 16751169

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 26171, 78513, 235539, 287881, 863643, 2590929, 3166691, 9500073, 28500219]

約数ペア:

[(1, 28500219), (3, 9500073), (9, 3166691), (11, 2590929), (33, 863643), (99, 287881), (121, 235539), (363, 78513), (1089, 26171)]