664943553

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{1213}}^1$

素因数の和:1558

約数の個数: 32

約数和(自身を含む): 1002278400

約数和(自身を除く): 337334847

約数列:

[1, 3, 9, 27, 79, 237, 257, 711, 771, 1213, 2133, 2313, 3639, 6939, 10917, 20303, 32751, 60909, 95827, 182727, 287481, 311741, 548181, 862443, 935223, 2587329, 2805669, 8417007, 24627539, 73882617, 221647851, 664943553]

約数ペア:

[(1, 664943553), (3, 221647851), (9, 73882617), (27, 24627539), (79, 8417007), (237, 2805669), (257, 2587329), (711, 935223), (771, 862443), (1213, 548181), (2133, 311741), (2313, 287481), (3639, 182727), (6939, 95827), (10917, 60909), (20303, 32751)]