205751553

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{70487}}^1$

素因数の和:70636

約数の個数: 16

約数和(自身を含む): 315786240

約数和(自身を除く): 110034687

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 70487, 211461, 493409, 1480227, 9797693, 29393079, 68583851, 205751553]

約数ペア:

[(1, 205751553), (3, 68583851), (7, 29393079), (21, 9797693), (139, 1480227), (417, 493409), (973, 211461), (2919, 70487)]