1638826521

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{68447}}^1$

素因数の和:68820

約数の個数: 16

約数和(自身を含む): 2286710784

約数和(自身を除く): 647884263

約数列:

[1, 3, 23, 69, 347, 1041, 7981, 23943, 68447, 205341, 1574281, 4722843, 23751109, 71253327, 546275507, 1638826521]

約数ペア:

[(1, 1638826521), (3, 546275507), (23, 71253327), (69, 23751109), (347, 4722843), (1041, 1574281), (7981, 205341), (23943, 68447)]