215682753

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21859}}^1$

素因数の和:21909

約数の個数: 32

約数和(自身を含む): 352558080

約数和(自身を除く): 136875327

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 3289, 9867, 21859, 65577, 240449, 284167, 502757, 721347, 852501, 1508271, 3125837, 5530327, 6535841, 9377511, 16590981, 19607523, 71894251, 215682753]

約数ペア:

[(1, 215682753), (3, 71894251), (11, 19607523), (13, 16590981), (23, 9377511), (33, 6535841), (39, 5530327), (69, 3125837), (143, 1508271), (253, 852501), (299, 721347), (429, 502757), (759, 284167), (897, 240449), (3289, 65577), (9867, 21859)]