78251409

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2141}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 117621504

約数和(自身を除く): 39370095

約数列:

[1, 3, 9, 31, 93, 131, 279, 393, 1179, 2141, 4061, 6423, 12183, 19269, 36549, 66371, 199113, 280471, 597339, 841413, 2524239, 8694601, 26083803, 78251409]

約数ペア:

[(1, 78251409), (3, 26083803), (9, 8694601), (31, 2524239), (93, 841413), (131, 597339), (279, 280471), (393, 199113), (1179, 66371), (2141, 36549), (4061, 19269), (6423, 12183)]