79991991

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{59651}}^1$

素因数の和:59806

約数の個数: 12

約数和(自身を含む): 116321400

約数和(自身を除く): 36329409

約数列:

[1, 3, 9, 149, 447, 1341, 59651, 178953, 536859, 8887999, 26663997, 79991991]

約数ペア:

[(1, 79991991), (3, 26663997), (9, 8887999), (149, 536859), (447, 178953), (1341, 59651)]