51381861

素因数分解:

$3^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 71782560

約数和(自身を除く): 20400699

約数列:

[1, 3, 43, 59, 129, 157, 177, 471, 1849, 2537, 5547, 6751, 7611, 9263, 20253, 27789, 109091, 290293, 327273, 398309, 870879, 1194927, 17127287, 51381861]

約数ペア:

[(1, 51381861), (3, 17127287), (43, 1194927), (59, 870879), (129, 398309), (157, 327273), (177, 290293), (471, 109091), (1849, 27789), (2537, 20253), (5547, 9263), (6751, 7611)]