81097121

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{739}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 94696320

約数和(自身を除く): 13599199

約数列:

[1, 7, 61, 257, 427, 739, 1799, 5173, 15677, 45079, 109739, 189923, 315553, 1329461, 11585303, 81097121]

約数ペア:

[(1, 81097121), (7, 11585303), (61, 1329461), (257, 315553), (427, 189923), (739, 109739), (1799, 45079), (5173, 15677)]