68489991

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1873}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 105243840

約数和(自身を除く): 36753849

約数列:

[1, 3, 9, 17, 51, 153, 239, 717, 1873, 2151, 4063, 5619, 12189, 16857, 31841, 36567, 95523, 286569, 447647, 1342941, 4028823, 7609999, 22829997, 68489991]

約数ペア:

[(1, 68489991), (3, 22829997), (9, 7609999), (17, 4028823), (51, 1342941), (153, 447647), (239, 286569), (717, 95523), (1873, 36567), (2151, 31841), (4063, 16857), (5619, 12189)]