253560861

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{20731}}^1$

素因数の和:20894

約数の個数: 20

約数和(自身を含む): 381302944

約数和(自身を除く): 127742083

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 12231, 20731, 62193, 186579, 559737, 1679211, 3130381, 9391143, 28173429, 84520287, 253560861]

約数ペア:

[(1, 253560861), (3, 84520287), (9, 28173429), (27, 9391143), (81, 3130381), (151, 1679211), (453, 559737), (1359, 186579), (4077, 62193), (12231, 20731)]