42981981

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{49921}}^1$

素因数の和:49972

約数の個数: 16

約数和(自身を含む): 67095168

約数和(自身を除く): 24113187

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 49921, 149763, 349447, 1048341, 2046761, 6140283, 14327327, 42981981]

約数ペア:

[(1, 42981981), (3, 14327327), (7, 6140283), (21, 2046761), (41, 1048341), (123, 349447), (287, 149763), (861, 49921)]