389634285

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1\times {\mathrm{1091}}^1$

素因数の和:1949

約数の個数: 32

約数和(自身を含む): 646289280

約数和(自身を除く): 256654995

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 821, 1091, 2463, 3273, 4105, 5455, 12315, 16365, 23809, 31639, 71427, 94917, 119045, 158195, 357135, 474585, 895711, 2687133, 4478555, 13435665, 25975619, 77926857, 129878095, 389634285]

約数ペア:

[(1, 389634285), (3, 129878095), (5, 77926857), (15, 25975619), (29, 13435665), (87, 4478555), (145, 2687133), (435, 895711), (821, 474585), (1091, 357135), (2463, 158195), (3273, 119045), (4105, 94917), (5455, 71427), (12315, 31639), (16365, 23809)]