80197209

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{34141}}^1$

素因数の和:34182

約数の個数: 20

約数和(自身を含む): 123935460

約数和(自身を除く): 43738251

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 34141, 102423, 307269, 921807, 990089, 2765421, 2970267, 8910801, 26732403, 80197209]

約数ペア:

[(1, 80197209), (3, 26732403), (9, 8910801), (27, 2970267), (29, 2765421), (81, 990089), (87, 921807), (261, 307269), (783, 102423), (2349, 34141)]