16881747

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 25190400

約数和(自身を除く): 8308653

約数列:

[1, 3, 19, 23, 57, 69, 79, 163, 237, 437, 489, 1311, 1501, 1817, 3097, 3749, 4503, 5451, 9291, 11247, 12877, 34523, 38631, 71231, 103569, 213693, 244663, 296171, 733989, 888513, 5627249, 16881747]

約数ペア:

[(1, 16881747), (3, 5627249), (19, 888513), (23, 733989), (57, 296171), (69, 244663), (79, 213693), (163, 103569), (237, 71231), (437, 38631), (489, 34523), (1311, 12877), (1501, 11247), (1817, 9291), (3097, 5451), (3749, 4503)]