620953857

素因数分解:

$3^4\times {\mathrm{307}}^1\times {\mathrm{24971}}^1$

素因数の和:25290

約数の個数: 20

約数和(自身を含む): 930656496

約数和(自身を除く): 309702639

約数列:

[1, 3, 9, 27, 81, 307, 921, 2763, 8289, 24867, 24971, 74913, 224739, 674217, 2022651, 7666097, 22998291, 68994873, 206984619, 620953857]

約数ペア:

[(1, 620953857), (3, 206984619), (9, 68994873), (27, 22998291), (81, 7666097), (307, 2022651), (921, 674217), (2763, 224739), (8289, 74913), (24867, 24971)]