388173891

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{28307}}^1$

素因数の和:28970

約数の個数: 16

約数和(自身を含む): 592429824

約数和(自身を除く): 204255933

約数列:

[1, 3, 7, 21, 653, 1959, 4571, 13713, 28307, 84921, 198149, 594447, 18484471, 55453413, 129391297, 388173891]

約数ペア:

[(1, 388173891), (3, 129391297), (7, 55453413), (21, 18484471), (653, 594447), (1959, 198149), (4571, 84921), (13713, 28307)]