28115913

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{58211}}^1$

素因数の和:58244

約数の個数: 16

約数和(自身を含む): 44706816

約数和(自身を除く): 16590903

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 58211, 174633, 407477, 1222431, 1338853, 4016559, 9371971, 28115913]

約数ペア:

[(1, 28115913), (3, 9371971), (7, 4016559), (21, 1338853), (23, 1222431), (69, 407477), (161, 174633), (483, 58211)]