8400591

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{2803}}^1$

素因数の和:2852

約数の個数: 20

約数和(自身を含む): 12892792

約数和(自身を除く): 4492201

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2803, 2997, 8409, 25227, 75681, 103711, 227043, 311133, 933399, 2800197, 8400591]

約数ペア:

[(1, 8400591), (3, 2800197), (9, 933399), (27, 311133), (37, 227043), (81, 103711), (111, 75681), (333, 25227), (999, 8409), (2803, 2997)]