28912863

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1995

約数の個数: 32

約数和(自身を含む): 47480832

約数和(自身を除く): 18567969

約数列:

[1, 3, 7, 21, 23, 31, 69, 93, 161, 217, 483, 651, 713, 1931, 2139, 4991, 5793, 13517, 14973, 40551, 44413, 59861, 133239, 179583, 310891, 419027, 932673, 1257081, 1376803, 4130409, 9637621, 28912863]

約数ペア:

[(1, 28912863), (3, 9637621), (7, 4130409), (21, 1376803), (23, 1257081), (31, 932673), (69, 419027), (93, 310891), (161, 179583), (217, 133239), (483, 59861), (651, 44413), (713, 40551), (1931, 14973), (2139, 13517), (4991, 5793)]