243020007

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{42257}}^1$

素因数の和:42340

約数の個数: 20

約数和(自身を含む): 368151696

約数和(自身を除く): 125131689

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 42257, 126771, 380313, 1140939, 3000247, 3422817, 9000741, 27002223, 81006669, 243020007]

約数ペア:

[(1, 243020007), (3, 81006669), (9, 27002223), (27, 9000741), (71, 3422817), (81, 3000247), (213, 1140939), (639, 380313), (1917, 126771), (5751, 42257)]