213678

素因数分解:

$2^1\times 3^4\times {\mathrm{1319}}^1$

素因数の和:1333

約数の個数: 20

約数和(自身を含む): 479160

約数和(自身を除く): 265482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1319, 2638, 3957, 7914, 11871, 23742, 35613, 71226, 106839, 213678]

約数ペア:

[(1, 213678), (2, 106839), (3, 71226), (6, 35613), (9, 23742), (18, 11871), (27, 7914), (54, 3957), (81, 2638), (162, 1319)]