27423981

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 64

約数和(自身を含む): 47308800

約数和(自身を除く): 19884819

約数列:

[1, 3, 9, 13, 23, 27, 39, 43, 69, 79, 117, 129, 207, 237, 299, 351, 387, 559, 621, 711, 897, 989, 1027, 1161, 1677, 1817, 2133, 2691, 2967, 3081, 3397, 5031, 5451, 8073, 8901, 9243, 10191, 12857, 15093, 16353, 23621, 26703, 27729, 30573, 38571, 44161, 49059, 70863, 78131, 91719, 115713, 132483, 212589, 234393, 347139, 397449, 637767, 703179, 1015703, 1192347, 2109537, 3047109, 9141327, 27423981]

約数ペア:

[(1, 27423981), (3, 9141327), (9, 3047109), (13, 2109537), (23, 1192347), (27, 1015703), (39, 703179), (43, 637767), (69, 397449), (79, 347139), (117, 234393), (129, 212589), (207, 132483), (237, 115713), (299, 91719), (351, 78131), (387, 70863), (559, 49059), (621, 44161), (711, 38571), (897, 30573), (989, 27729), (1027, 26703), (1161, 23621), (1677, 16353), (1817, 15093), (2133, 12857), (2691, 10191), (2967, 9243), (3081, 8901), (3397, 8073), (5031, 5451)]