1900297989

素因数分解:

$3^4\times {\mathrm{1871}}^1\times {\mathrm{12539}}^1$

素因数の和:14422

約数の個数: 20

約数和(自身を含む): 2840460480

約数和(自身を除く): 940162491

約数列:

[1, 3, 9, 27, 81, 1871, 5613, 12539, 16839, 37617, 50517, 112851, 151551, 338553, 1015659, 23460469, 70381407, 211144221, 633432663, 1900297989]

約数ペア:

[(1, 1900297989), (3, 633432663), (9, 211144221), (27, 70381407), (81, 23460469), (1871, 1015659), (5613, 338553), (12539, 151551), (16839, 112851), (37617, 50517)]