221036769

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{21487}}^1$

素因数の和:21626

約数の個数: 20

約数和(自身を含む): 332806144

約数和(自身を除く): 111769375

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 21487, 64461, 193383, 580149, 1740447, 2728849, 8186547, 24559641, 73678923, 221036769]

約数ペア:

[(1, 221036769), (3, 73678923), (9, 24559641), (27, 8186547), (81, 2728849), (127, 1740447), (381, 580149), (1143, 193383), (3429, 64461), (10287, 21487)]