51157225

素因数分解:

$5^2\times 7^2\times {\mathrm{41761}}^1$

素因数の和:41785

約数の個数: 18

約数和(自身を含む): 73793454

約数和(自身を除く): 22636229

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 41761, 208805, 292327, 1044025, 1461635, 2046289, 7308175, 10231445, 51157225]

約数ペア:

[(1, 51157225), (5, 10231445), (7, 7308175), (25, 2046289), (35, 1461635), (49, 1044025), (175, 292327), (245, 208805), (1225, 41761)]