28453659

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 45061632

約数和(自身を除く): 16607973

約数列:

[1, 3, 13, 19, 39, 43, 47, 57, 129, 141, 247, 361, 559, 611, 741, 817, 893, 1083, 1677, 1833, 2021, 2451, 2679, 4693, 6063, 10621, 11609, 14079, 15523, 16967, 26273, 31863, 34827, 38399, 46569, 50901, 78819, 115197, 201799, 220571, 499187, 605397, 661713, 729581, 1497561, 2188743, 9484553, 28453659]

約数ペア:

[(1, 28453659), (3, 9484553), (13, 2188743), (19, 1497561), (39, 729581), (43, 661713), (47, 605397), (57, 499187), (129, 220571), (141, 201799), (247, 115197), (361, 78819), (559, 50901), (611, 46569), (741, 38399), (817, 34827), (893, 31863), (1083, 26273), (1677, 16967), (1833, 15523), (2021, 14079), (2451, 11609), (2679, 10621), (4693, 6063)]