17937747

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 28416000

約数和(自身を除く): 10478253

約数列:

[1, 3, 9, 27, 29, 31, 87, 93, 261, 279, 739, 783, 837, 899, 2217, 2697, 6651, 8091, 19953, 21431, 22909, 24273, 64293, 68727, 192879, 206181, 578637, 618543, 664361, 1993083, 5979249, 17937747]

約数ペア:

[(1, 17937747), (3, 5979249), (9, 1993083), (27, 664361), (29, 618543), (31, 578637), (87, 206181), (93, 192879), (261, 68727), (279, 64293), (739, 24273), (783, 22909), (837, 21431), (899, 19953), (2217, 8091), (2697, 6651)]