258240423

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{23603}}^1$

素因数の和:24134

約数の個数: 16

約数和(自身を含む): 394281216

約数和(自身を除く): 136040793

約数列:

[1, 3, 7, 21, 521, 1563, 3647, 10941, 23603, 70809, 165221, 495663, 12297163, 36891489, 86080141, 258240423]

約数ペア:

[(1, 258240423), (3, 86080141), (7, 36891489), (21, 12297163), (521, 495663), (1563, 165221), (3647, 70809), (10941, 23603)]