4209891

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{653}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 6445824

約数和(自身を除く): 2235933

約数列:

[1, 3, 7, 21, 307, 653, 921, 1959, 2149, 4571, 6447, 13713, 200471, 601413, 1403297, 4209891]

約数ペア:

[(1, 4209891), (3, 1403297), (7, 601413), (21, 200471), (307, 13713), (653, 6447), (921, 4571), (1959, 2149)]