28957851

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 51287040

約数和(自身を除く): 22329189

約数列:

[1, 3, 9, 13, 17, 23, 27, 39, 51, 69, 117, 153, 207, 211, 221, 299, 351, 391, 459, 621, 633, 663, 897, 1173, 1899, 1989, 2691, 2743, 3519, 3587, 4853, 5083, 5697, 5967, 8073, 8229, 10557, 10761, 14559, 15249, 24687, 32283, 43677, 45747, 46631, 63089, 74061, 82501, 96849, 131031, 137241, 139893, 189267, 247503, 419679, 567801, 742509, 1072513, 1259037, 1703403, 2227527, 3217539, 9652617, 28957851]

約数ペア:

[(1, 28957851), (3, 9652617), (9, 3217539), (13, 2227527), (17, 1703403), (23, 1259037), (27, 1072513), (39, 742509), (51, 567801), (69, 419679), (117, 247503), (153, 189267), (207, 139893), (211, 137241), (221, 131031), (299, 96849), (351, 82501), (391, 74061), (459, 63089), (621, 46631), (633, 45747), (663, 43677), (897, 32283), (1173, 24687), (1899, 15249), (1989, 14559), (2691, 10761), (2743, 10557), (3519, 8229), (3587, 8073), (4853, 5967), (5083, 5697)]