215180287

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{2003}}^1$

素因数の和:2262

約数の個数: 16

約数和(自身を含む): 250099200

約数和(自身を除く): 34918913

約数列:

[1, 7, 103, 149, 721, 1043, 2003, 14021, 15347, 107429, 206309, 298447, 1444163, 2089129, 30740041, 215180287]

約数ペア:

[(1, 215180287), (7, 30740041), (103, 2089129), (149, 1444163), (721, 298447), (1043, 206309), (2003, 107429), (14021, 15347)]