812169

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 1257984

約数和(自身を除く): 445815

約数列:

[1, 3, 9, 31, 41, 71, 93, 123, 213, 279, 369, 639, 1271, 2201, 2911, 3813, 6603, 8733, 11439, 19809, 26199, 90241, 270723, 812169]

約数ペア:

[(1, 812169), (3, 270723), (9, 90241), (31, 26199), (41, 19809), (71, 11439), (93, 8733), (123, 6603), (213, 3813), (279, 2911), (369, 2201), (639, 1271)]