19951623

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 11094777

約数列:

[1, 3, 9, 27, 29, 83, 87, 249, 261, 307, 747, 783, 921, 2241, 2407, 2763, 7221, 8289, 8903, 21663, 25481, 26709, 64989, 76443, 80127, 229329, 240381, 687987, 738949, 2216847, 6650541, 19951623]

約数ペア:

[(1, 19951623), (3, 6650541), (9, 2216847), (27, 738949), (29, 687987), (83, 240381), (87, 229329), (249, 80127), (261, 76443), (307, 64989), (747, 26709), (783, 25481), (921, 21663), (2241, 8903), (2407, 8289), (2763, 7221)]