28293201

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 42067584

約数和(自身を除く): 13774383

約数列:

[1, 3, 9, 47, 141, 211, 317, 423, 633, 951, 1899, 2853, 9917, 14899, 29751, 44697, 66887, 89253, 134091, 200661, 601983, 3143689, 9431067, 28293201]

約数ペア:

[(1, 28293201), (3, 9431067), (9, 3143689), (47, 601983), (141, 200661), (211, 134091), (317, 89253), (423, 66887), (633, 44697), (951, 29751), (1899, 14899), (2853, 9917)]