80408979

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{9743}}^1$

素因数の和:9887

約数の個数: 24

約数和(自身を含む): 133765632

約数和(自身を除く): 53356653

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253, 9743, 29229, 68201, 87687, 204603, 613809, 1276333, 3828999, 8934331, 11486997, 26802993, 80408979]

約数ペア:

[(1, 80408979), (3, 26802993), (7, 11486997), (9, 8934331), (21, 3828999), (63, 1276333), (131, 613809), (393, 204603), (917, 87687), (1179, 68201), (2751, 29229), (8253, 9743)]