200721830403

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1\times {\mathrm{515381}}^1$

素因数の和:516506

約数の個数: 16

約数和(自身を含む): 269944722432

約数和(自身を除く): 69222892029

約数列:

[1, 3, 131, 393, 991, 2973, 129821, 389463, 515381, 1546143, 67514911, 202544733, 510742571, 1532227713, 66907276801, 200721830403]

約数ペア:

[(1, 200721830403), (3, 66907276801), (131, 1532227713), (393, 510742571), (991, 202544733), (2973, 67514911), (129821, 1546143), (389463, 515381)]