320327217

素因数分解:

$3^5\times 7^1\times {\mathrm{188317}}^1$

素因数の和:188339

約数の個数: 24

約数和(自身を含む): 548382016

約数和(自身を除く): 228054799

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 188317, 564951, 1318219, 1694853, 3954657, 5084559, 11863971, 15253677, 35591913, 45761031, 106775739, 320327217]

約数ペア:

[(1, 320327217), (3, 106775739), (7, 45761031), (9, 35591913), (21, 15253677), (27, 11863971), (63, 5084559), (81, 3954657), (189, 1694853), (243, 1318219), (567, 564951), (1701, 188317)]