12782289

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{673}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 18419072

約数和(自身を除く): 5636783

約数列:

[1, 3, 13, 39, 487, 673, 1461, 2019, 6331, 8749, 18993, 26247, 327751, 983253, 4260763, 12782289]

約数ペア:

[(1, 12782289), (3, 4260763), (13, 983253), (39, 327751), (487, 26247), (673, 18993), (1461, 8749), (2019, 6331)]